The sign above the door of restaurant and hotel “Am Paulusbogen” is partially submerged in the flooded centre of the Bavarian town of Passau, about 200 km (124 miles) north-east of Munich June 3, 2013. (Photo by Michaela Rehle/Reuters)

An excavator removes a dead bear at the zoo in Tbilisi, Georgia, June 17, 2015. Tigers, lions, bears and wolves were among more than 30 animals that escaped from a Georgian zoo and onto the streets of the capital Tbilisi on Sunday during floods that killed at least 12 people. REUTERS/David Mdzinarishvili

Justin Nelzen, in red vest, joins others as they work to rescue up to 70 horses along Cypresswood Drive near Humble along Cypress Creek, Monday, April 18, 2016, in Houston. More than a foot of rain fell Monday in parts of Houston, submerging scores of subdivisions and several major interstate highways, forcing the closure of schools and knocking out power to thousands of residents who were urged to shelter in place. (Photo by Mark Mulligan/Houston Chronicle via AP Photo)

Children play on top of a cargo ship that was swept during the onslaught of Typhoon Haiyan in Tacloban city in central Philippines November 2, 2015, ahead of the second anniversary of a devastating typhoon that killed more than 6,000 people in central Philippines. The front part of the ship was retained in the area and made into a memorial and will be inaugurated on November 8 to commemorate the second anniversary of Typhoon Haiyan. (Photo by Erik De Castro/Reuters)

People dodge waves in Sansha Township of Xiapu, southeast China's Fujian Province, July 10, 2015. China is on highest alert as super typhoon Chan-Hom approaches the eastern coast at high speeds. The National Meteorological Center issued a red alert on Friday morning for Chan-Hom, whose center was spotted 550 km southeast off the coast of Zhejiang Province at 5 a.m. (Photo by Jiang Kehong/Xinhua)

A motorist holds on to a post as she braves high winds and rain of Super Typhoon Meranti in Kaohsiung, southern Taiwan, 14 September 2016. The storm is the strongest recorded since Super Typhoon Haiyan developed in 2013. (Photo by Ritchie B. Tongo/EPA)

Kashmiri residents are evacuated in a tractor from their flooded neighborhood in Srinagar, India, Sunday, September 7, 2014. (Photo by Dar Yasin/AP Photo)

Patarawan fixes her boots as her parrot, Sim sits on her head as she goes shopping for dinner at a busy flooded market near the Chao Phraya river October 27, 2011 in Bangkok, Thailand. Hundreds of factories closed in the central Thai province of Ayutthaya and Nonthaburi as the flood waters began to reach Bangkok. Around 350 people have died in flood-related incidents since late July according to the Department of Disaster Prevention and Mitigation, with Thailand experiencing the worst flooding in 50 years. (Photo by Paula Bronstein/Getty Images)