(210615) -- WASHINGTON, June 15, 2021 (Xinhua) -- U.S. members of Congress observe a moment of silence for 600,000 coronavirus deaths across the United States on Capitol Hill in Washington, D.C., the United States, on June 14, 2021. The United States reached the grim milestone of 600,000 coronavirus deaths on Tuesday, according to the Center for Systems Science and Engineering (CSSE) at Johns Hopkins University. With the national case count topping 33.4 million, the death toll across the United States rose to 600,012 as of 12:22 p.m. local time (1622 GMT), according to the CSSE data. (Photo by Ting Shen/Xinhua)