Picryl description: Public domain image of ethnic group, people gathering, anthropology, colonies, exotic, indigenous people, free to use, no copyright restrictions.
Public domain scan of artwork related to technological or industrial history, free to use, no copyright restrictions image - Picryl description
Public domain image of a vintage map, geography atlas, maritime navigation, age of discovery, 16th-17th century, free to use, no copyright restrictions - Picryl description