This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
Cornelis van Eesteren and Theo van Doesburg . en Anonymous Tho van Doesburg right and van Eesteren left working on their architectural models in their studio in Paris Photo Rotterdam Netherlands Architecture Institute nl Anoniem Tho van Doesburg rechts en van Eesteren links werkend aan de architectuurmodellen in hun atelier te Parijs