A sign of shelter is seen under dark clouds as hurricane "Irma" is approaching, in Miami, Florida, the United States, Sept. 9, 2017. About 5.6 million people in Florida have been ordered to evacuate, while 54,000 Floridians have taken shelter in 320 shelters across Florida. Forecasters expect the hurricane to hit Florida early Sunday morning. (Xinhua/Yin Bogu)
