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Photo taken on March 24, 2020 shows a nearly empty downtown parking lot in Houston, Texas, the United States. A "stay home - work safe" order has been issued on Tuesday for the fourth largest U.S. city of Houston and Harris County where the city is located to help fight the spread of COVID-19. The order will go into effect at 11:59 p.m. Tuesday night and will last until April 3. (Photo by Lao Chengyue/Xinhua)
