What's the problem here?
It's sagging
It's broken
It's scratched
What's the problem here?
It's delapidated
What's this element?
a porch
What's this element?
a skylight
What's this element?
counterfort / buttress
What's this material?
felt
What's this material?
granite
What's this material?
phenolic foam
pumice
PV glass
What's this material?
brass / copper
What's this material?
limestone
What's this building type?
a semi-detached house
What's this building type?
a mansion
What's the problem here?
peeling paint
What's the problem here?
uneven floor
What's the problem here?
flood
What's the problem here?
silt
habitat fragmentation
landslide
