Photo NewsThe smoke-shrouded Opera House in Sydney, Australia December 19, 2019 - by IANS SYDNEY, Dec. 19, 2019 (Xinhua) — Photo taken on Dec. 19, 2019 shows the smoke-shrouded Opera House in Sydney, Australia. Sydney’s normally picturesque skyline was once again blanketed by thick smoke on Thursday. (Xinhua/Bai Xuefei/IANS)