This Thursday, Dec. 3, 2015 aerial photo, shows flood-hit Chennai city following heavy rains in Chennai, India. The heaviest rainfall in more than 100 years has devastated swathes of the southern Indian state of Tamil Nadu, with thousands forced to leave their submerged homes, schools and offices, and a regional airport remained shut for a second day Thursday. (Atul Yadav/ Press Trust of India via AP)