Ha ha. New Yawk is built on bedrock. I doubt there is any subsidence.
WTC came straight down - it must not be that solid (?)
LaGuardia airport and the surrounding area was a landfill. Hence, the moniker LaGarbage.
The Meadowlands NJ is a swamp.
Flushing Meadows airport has been underwater for decades…back to when we were worried about the coming ice age.
EC