People watch fireworks exploding over the East River during U.S. Independence Day celebration in New York, the United States, July 4, 2019. Photo:Xinhua

People watch fireworks exploding over the East River during U.S. Independence Day celebration in New York, the United States, July 4, 2019. Photo:Xinhua

People watch fireworks exploding over the East River during U.S. Independence Day celebration in New York, the United States, July 4, 2019. Photo:Xinhua

People watch fireworks exploding over the East River during U.S. Independence Day celebration in New York, the United States, July 4, 2019. Photo:Xinhua

People watch fireworks exploding over the East River during U.S. Independence Day celebration in New York, the United States, July 4, 2019. Photo:Xinhua

People watch fireworks exploding over the East River during U.S. Independence Day celebration in New York, the United States, July 4, 2019. Photo:Xinhua

People watch fireworks exploding over the East River during U.S. Independence Day celebration in New York, the United States, July 4, 2019. Photo:Xinhua

People watch fireworks exploding over the East River during U.S. Independence Day celebration in New York, the United States, July 4, 2019. Photo:Xinhua

People watch fireworks exploding over the East River during U.S. Independence Day celebration in New York, the United States, July 4, 2019. Photo:Xinhua