what is it called?
cottage
what is it called?
skyscraper
what is it called?
mansion, palace
what is it called?
staircase
what is it called?
elevator
what is it called
roof
what is it called?
bungalow
what is it called?
villa
what is it called?
architecture
what is it called?
concrete
what is it called?
steel
what is it called?
brick