What is this?
Skyscraper
What is this?
Stair
What are these?
ruins
What is this?
statue
What is this?
dome
What are these?
columns
What is this?
castle
What are these?
steps
What is this?
Tower
What is this?
Brickwork
What is this?
Floor
What is this?
palace
What is this?
pyramid
What is this?
Bridge
What is this?
Arch