New York is cleaning up and trying to dry out after Monday night's torrential rains caused flash flooding and damage.

The subway system, which is more than a century old, is relied on by millions of passengers every day and weaves the city into a cohesive network.

The flooding necessitated rescues, grounded planes, and submerged vehicles in waist-high water less than two weeks after flash floods in Texas killed more than 100 people, triggering concerns about the increasing number of flood fatalities in recent years because of heavier rainfall,