(170315) -- NEW YORK, March 15, 2017 (Xinhua) -- People visit the snow-covered Central Park in New York March 14, 2017. Heavy snowfall and sleet hit northeast United States on Tuesday, where thousands of flights were canceled and most of the schools closed. (Xinhua/Li Muzi) (zxj)more(170315) -- NEW YORK, March 15, 2017 (Xinhua) -- A woman plays with a dog in the snow-covered Central Park in New York March 14, 2017. Heavy snowfall and sleet hit northeast United States on Tuesday, where thousands of flights were canceled and most of the schools closed. (Xinhua/Li Muzi) (zxj)more