Photo credits

The photographs on this site are taken from sources with a free licence for commercial use (Openverse, Wikimedia Commons) and hosted on our own server. Below are the author and licence of each one. Images under a CC BY-SA licence, including their crops for sharing, are reused under the same licence.

090624-F-203 by Lance Cheung · CC BY 2.0 · source
090624-F-207 by Lance Cheung · CC BY 2.0 · source
090624-F-223 by Lance Cheung · CC BY 2.0 · source
20110419-RD-LSC-0620 by USDAgov · Public domain · source
20110504-RD-LSC-0616 by USDAgov · CC BY 2.0 · source
20130920-OC-LSC-0584 by USDAgov · Public domain · source
20130920-OC-LSC-1326 by USDAgov · Public domain · source
2014.01 - Amsterdam in photo: Modern architecture of the new-built shop area with small streets, called Oosterpoort; a geotagged free urban by Amsterdam free photos & pictures of the Dutch city · CC0 1.0 — public domain · source
2017. We stopped and asked directions at the camp of some nomadic beekeepers. They had set their hives in flowery meadows. Bulgan Province, by USDA Forest Service · Public domain · source
20200324-RD-LSC-0054 by USDAgov · Public domain · source
20200729-USDA-PPQ-file2.jpg by USDAgov · Public domain · source
2024 Data Center Details by Jefferson Lab · Public domain · source
3069-Cuatro Torres en la Castellana (Madrid) by jl.cernadas · CC BY 2.0 · source
A Clear Reflection on Webb Telescope's Secondary Mirror by NASA Goddard Photo and Video · CC BY 2.0 · source
Acer Aspire One Netbook first impressions by zieak · CC BY 2.0 · source
Agricultural wheat field CC0 1.0 — public domain · source
An old and experienced craftsman measuring a wheel for agricultural machinery by Ivan Radic · CC BY 2.0 · source
Apollo X Lunar Module Utility Bracket Assembly by jurvetson · CC BY 2.0 · source
Army unveils RDECOM laboratory to improve agile acquisition process by U.S. Army Combat Capabilities Development Command · CC BY 2.0 · source
Ateneo Rumano, Bucarest, Rumanía, 2016-05-29, DD 73 by Diego Delso · CC BY-SA 4.0 · source
Austria 1993 - Wolfgangsee area by Infrogmation · CC BY 2.0 · source
Banca Naţională a României, corp vechi 2014-08-28-1348 by Korinna · CC BY-SA 3.0 · source
Bangkok: Suvarnabhumi airport by @felixtriller · CC BY 2.0 · source
Bariera Tigarete2 by Cezar Suceveanu · CC BY-SA 4.0 · source
Beds by KOMUnews · CC BY 2.0 · source
Biblioteca Central de la Universidad de Bucarest, Bucarest, Rumanía, 2016-05-29, DD 71 by Diego Delso · CC BY-SA 4.0 · source
Birmingham City Council - New office building construction site at Birmingham Science Park Aston - new windows by ell brown · CC BY 2.0 · source
Blue stethoscope - Credit to https://www.semtrio.com/ by Semtrio · CC BY 2.0 · source
Brett's desktop, annotated by Brett Jordan · CC BY 2.0 · source
Bucarest tram - ITB V3A (11) by Kyah117 · CC BY 4.0 · source
Bucharest - detail of a school building on Splaiul Independentiei 02 by Joe Mabel · CC BY 3.0 · source
Bucharest - Gara de Nord (2023) - img 02 by Chainwit. · CC BY 4.0 · source
Bucharest University Square by Madalin Pentelie · CC0 1.0 — public domain · source
Bucuresti, Romania, Piata Victoriei, Palatul Guvernului Romaniei (9); B-II-m-A-19877 by Britchi Mirela · CC BY-SA 3.0 · source
Bucuresti, Romania. BANCA NATIONALA A ROMANIEI (2) (B-II-m-A-19023) by Britchi Mirela · CC BY-SA 4.0 · source
BunsenBurner by Conor Lawless · CC BY 2.0 · source
Business plan - Credit to https://www.semtrio.com/ by Semtrio · CC BY 2.0 · source
BV53211 (19.10.28, Motorvej 501, Viby J)DSC_3834LR by Lav Ulv · CC BY 2.0 · source
CAES radiochemistry lab by Idaho National Laboratory · CC BY 2.0 · source
Carol Davila University of Medicine and Pharmacy, September 2011 by Korinna · CC BY-SA 3.0 · source
Castello di Făgăraş 02 by sailko · CC BY-SA 3.0 · source
Chairs Arranged on Table - Credit to http://homedust.com/ by Homedust · CC BY 2.0 · source
Chickens by Paul.White · CC BY 2.0 · source
City Hall Oradea - Palatul Primăriei Oradea (2023) - img 03 by Chainwit. · CC BY 4.0 · source
Classroom - Credit to https://www.semtrio.com/ by Semtrio · CC BY 2.0 · source
Close-up of a 3D printer printing a small toy figure by Ivan Radic · CC BY 2.0 · source
Cloud Solutions - Creative Commons by NEC Corporation of America · CC BY 2.0 · source
Cluj-Napoca University of Babes-Bolyai by Roamata · Public domain · source
Colza. Thésée-la-Romaine (Loir-et-Cher). by sybarite48 · CC BY 2.0 · source
Craiova - Teatrul National by Mvelam · CC BY-SA 3.0 · source
Diminishing Perspective by kaibara87 · CC BY 2.0 · source
DSC_0170 by Trishhhh · CC BY 2.0 · source
DSC07501-Praha Hilton by lyng883 · CC BY 2.0 · source
einfach Arbeiten by www.cofab.de · CC BY 2.0 · source
Electric bus (2022) by Metropolitan Transportation Authority of the State of New York · CC BY 2.0 · source
Electric vehicle charging stations at motorway station on highway in the Netherlands 2 by Aschroet · CC0 1.0 — public domain · source
Emptied cardboard box by Creativity103 · CC BY 2.0 · source
empty room by frankieleon · CC BY 2.0 · source
Euro by Janitors · CC BY 2.0 · source
European Union Flags 2 by DesignRecipe · CC BY 2.0 · source
Ex-Bern tram set in Iasi, eastbound at Piata Unirii in October 2005 by Cristina Albu & Radu Czech · Public domain · source
final exam by dcJohn · CC BY 2.0 · source
Flat Calm by Andy S-D · CC BY 2.0 · source
Free computer server room image CC0 1.0 — public domain · source
Free sunset airport image CC0 1.0 — public domain · source
Fresh cherry tomatoes growing in a greenhouse during daylight, showcasing vibrant colors and healthy plants by nenadstojkovicart · CC BY 2.0 · source
Freshly renovated Coltzea Hospital (5773672323) by Alexandru Panoiu from Bucharest, Romania · CC BY 2.0 · source
gigantic robot arms 14.11.07 by kookalamanza · CC BY 2.0 · source
Gray grid CC0 1.0 — public domain · source
Harvesting Potatoes near Burnham by D H Wright · CC BY 2.0 · source
High voltage transmission towers - Polder Stein - Haastrecht by Frans Berkelaar · CC BY 2.0 · source
Horizon Europe “Proof of Market”: 200,000 € for SMEs and start-ups, deadline 2 February 2027 by startupphotos · CC BY 2.0 · source
HP EVA 3000 Storage Area Network by DaveHabben · CC BY 2.0 · source
IMG_6427 by robertsharp · CC BY 2.0 · source
ImmersiON VRelia Virtual Reality Headset by pestoverde · CC BY 2.0 · source
Indoor Spa - The Cliff Bay by PortoBay Trade · CC BY 2.0 · source
Interior, Cafe Makara, Wellington, New Zealand, 7 September 2006 by In Memoriam: PhillipC · CC BY 2.0 · source
Introduction to Bioinformatics Teacher Workshop by NWABR · CC BY 2.0 · source
Lavender in Provence by mikebslone · CC BY 2.0 · source
Lecture Lecture by cogdogblog · CC0 1.0 — public domain · source
Machine working in a factory while cutting material on a production line in the workshop by Shixart1985 · CC BY 2.0 · source
Manure fertilizer by eutrophication&hypoxia · CC BY 2.0 · source
Marfield Wetlands nature reserve. by colgregg · CC BY 2.0 · source
Metalworking equipment by Artem Beliaikin · CC0 1.0 — public domain · source
Microscope - Credit to http://homedust.com/ by Homedust · CC BY 2.0 · source
Mother, father newborn CC0 1.0 — public domain · source
My New Desk by DaveFayram · CC BY 2.0 · source
My New Desk by DaveFayram · CC BY 2.0 · source
Navion F by Eric Friedebach · CC BY 2.0 · source
Nimes Carré D'Art by Wolfgang Staudt · CC BY 2.0 · source
Office Coworking Space - Design Home DecorBuddha Statue - Credit to https://homethods.com/ by homethods · CC BY 2.0 · source
Old Classroom Interior by dejankrsmanovic · CC BY 2.0 · source
Original public domain image Wikimedia CC0 1.0 — public domain · source
P-10913-01 by Idaho National Laboratory · CC BY 2.0 · source
Pen, Diary and Glasses by Generationbass.com · CC BY 2.0 · source
PlanApo by Conor Lawless · CC BY 2.0 · source
Politehnica Bucuresti1 CC BY-SA 3.0 · source
Politehnica University of Bucharest by Mister rf · CC BY-SA 4.0 · source
European Prize for Women Innovators 2027: up to €100,000, applications until 1 December by startupphotos · CC BY 2.0 · source
Project 365 #95: 050418 Power Up! by comedy_nose · CC BY 2.0 · source
Racks line by kewl · CC BY 2.0 · source
Rambiz with gravity based foundation of wind turbine by Luc Van Braekel · CC BY 2.0 · source
red grapes with green leaves on the vine by Ms. June Franks · Public domain · source
Red Wing Shoes Factory Tour by ninahale · CC BY 2.0 · source
Rheineck - Large Battery Storage Device by Welcome to Switzerland backstage! · CC BY 2.0 · source
RO BZ Garii nursery school by Andrei Stroe · CC BY-SA 3.0 · source
Romanian tram, Craiova, 1988 - Flickr - sludgegulper by Felix O · CC BY-SA 2.0 · source
RUMÄNIEN - Poiana Horea (Beliș) - Landschaft im Apuseni-Gebirge (Munții Apuseni) 16zu9 - FOX-IMG 3680 (2023) by Eddy Renard · CC BY-SA 4.0 · source
Sand and excavator at construction site, Bidadari by Jnzl's Photos · CC BY 2.0 · source
SDS-PAGE by qubodup · CC0 1.0 — public domain · source
Seedlings by Joshua Tree National Park · Public domain · source
Solar Special Interest Group Meeting (Solar Panels) - University of Salford by University of Salford · CC BY 2.0 · source
Storm Clouds over the Adams Farm -- Cold Harbor (VA) June 2012 by Ron Cogswell · CC BY 2.0 · source
Stuart Six by Accretion Disc · CC BY 2.0 · source
student_ipad_school - 081 by flickingerbrad · CC BY 2.0 · source
Taj food store, Brighton by Denna Jones · CC BY 2.0 · source
Tesla Motors Assembly Line by jurvetson · CC BY 2.0 · source
The Making of Harry Potter 29-05-2012 by Karen Roe · CC BY 2.0 · source
The office by jlcwalker · CC BY 2.0 · source
This road has commitment issues: It just can't go straight! by kewl · CC BY 2.0 · source
Tire technician lifting a car with a car jack by Ivan Radic · CC BY 2.0 · source
Top View of Man Holding Android Smartphone - Credit to http://homedust.com/ by Homedust · CC BY 2.0 · source
Torre Agbar: Auditori by Jorge Franganillo · CC BY 2.0 · source
Two Person Shaking Each Others Hands - Credit to http://homedust.com/ by Homedust · CC BY 2.0 · source
U.S. delivers elderly day care center to Serbia by USACE Europe District · CC BY 2.0 · source
U.S. Department of Agriculture (USDA) by U.S. Department of Agriculture · CC0 1.0 — public domain · source
U.S. Navy Cmdr. Nikunj Bhatt supports local hospitals Intensive Care Unit 211210-A-TV877-1003 by NavyMedicine · Public domain · source
USACE brings energy savings dollars to Camp Ederle with new boiler plant by USACE Europe District · CC BY 2.0 · source
Variations on a windows theme by o palsson · CC BY 2.0 · source
Village School Classroom by ToGa Wanderings · CC BY 2.0 · source
vintage nude cameras by Flavio~ · CC BY 2.0 · source
Welcome To The Farm by Sister72 · CC BY 2.0 · source
Windmakers by Nils Tamlag · CC BY 2.0 · source
Woodburn Interchange by OregonDOT · CC BY 2.0 · source
Worker assembles metal parts in factory by Shixart1985 · CC BY 2.0 · source
Working Hard by dolbinator1000 · CC BY 2.0 · source