Pedestrians walk past the newly-installed block on the sidewalk where people paid tributes to the car rampage victim Alyssa Elsman, an 18-year-old girl from Michigan, in Times Square in New York, the United States, on May 22, 2017. Security has been tightened here recent days after a car rampage on sidewalk on May 18. A man drove a car into a crowd in Times Square on May 18, killing one and injuring 22 others. (Xinhua/Li Rui)
