For more than a decade, pilots and judges have warned that India’s breakneck urban development was pushing population centers closer to the nation’s runways.

An Air India plane crashed into a medical college in Ahmedabad, killing people on the ground and leaving a sole survivor on the flight. Authorities said 269 died.

Viswashkumar Ramesh, on Air India Flight 171 in seat 11A, was the only survivor after the plane crashed in Ahmedabad. An expert called his escape “extraordinary.”