SYDNEY, AUSTRALIA - DECEMBER 19: The Harbour Bridge shrouded in thick bush fire smoke on December 19, 2019 in Sydney, Australia. NSW Premier Gladys Berejiklian has declared a state of emergency for the next seven days with ongoing dangerous fire conditions and almost 100 bushfires burning across the state. It's the second state of emergency declared in NSW since the start of the bushfire season. (Photo by James D. Morgan/Getty Images), 1194790387