TOPSHOT - Food and Environmental Hygiene Department (FEHD) contractors take part in a cleaning and disinfection of Pei Ho Street Market in the Sham Shui Po district of Hong Kong on July 17, 2020, as the city experiences another spike in COVID-19 coronavirus cases. - Hong Kong reimposed tough social distancing measures on July 15 -- shuttering many businesses and making facemasks on public transport mandatory -- after a spike in coronavirus cases threatens to undo months of success against the disease. (Photo by ANTHONY WALLACE / AFP)