<a href="https://commons.wikimedia.org/wiki/File:Cables_and_ducts_on_concrete_ceiling.jpg" rel="noreferrer nofollow">commons.wikimedia.org/wiki/File:Cables_and_ducts_on_concr...</a>

A red building on a cobbled road on a hill.

<a href="https://commons.wikimedia.org/wiki/File:Red_triangular_building.jpg" rel="noreferrer nofollow">commons.wikimedia.org/wiki/File:Red_triangular_building.jpg</a>

A rather smelly building (maybe it's a sewage pumping place?) in a park in Prague.

<a href="https://commons.wikimedia.org/wiki/File:Brick_building_in_Stromovka_park.jpg" rel="noreferrer nofollow">commons.wikimedia.org/wiki/File:Brick_building_in_Stromov...</a>