Category: Photos and images

Reshot

Alternative: Envato, Pixabay, Vecteezy.

Internet Archive

Free content repository.

Wikimedia Commons

Alternative: Shutterstock, Adobe Stock, iStock, Getty Images.

Smithsonian

Free content repository.

Fickr

Alternative: Shutterstock, Adobe Stock, iStock, Getty Images.

Europeana

Image repository.

SVG Silh

Alternative: Freepik, Flaticon, Adobe Stock

Unsplash

Alternative: Shutterstock, Adobe Stock, iStock, Getty Images.