This is ...
a hut
This is ...
a terraced house
These are ...
concrete blocks
This is ...
a villa
This is ...
bamboo
This is ...
a block of flats / an appartment block
This is ...
straw
These are ...
bricks
This is ...
a cottage
This is ...
a detached house
This is ...
a bungalow
These are ...
skyscrapers
This is ...
steel
This is ...
a castle
This is ...
netting
This is ...
a semi-detached house
This is ...
wood
This is ...
cement