People with face masks enter a subway station in New York, the United States, July 14, 2020. The number of COVID-19 cases in the United States surpassed 3.4 million on Tuesday, reaching 3,406,945 as of 4:38 p.m. local time (2038 GMT), according to the Center for Systems Science and Engineering (CSSE) at Johns Hopkins University. Meanwhile, the national death toll from the disease rose to 136,244, according to the CSSE. (Xinhua/Wang Ying)