A worker paints a white circle on the grass at Trinity Bellwoods Park in Toronto, Canada, on May 28, 2020. The City of Toronto painted circles on the grass at Trinity Bellwoods Park as a pilot project on Thursday to encourage people in physical distancing during the COVID-19 outbreak. (Photo by Zou Zheng/Xinhua)

A worker paints a white circle on the grass at Trinity Bellwoods Park in Toronto, Canada, on May 28, 2020. The City of Toronto painted circles on the grass at Trinity Bellwoods Park as a pilot project on Thursday to encourage people in physical distancing during the COVID-19 outbreak. (Photo by Zou Zheng/Xinhua)

A woman cycles across white circles painted on the grass at Trinity Bellwoods Park in Toronto, Canada, on May 28, 2020. The City of Toronto painted circles on the grass at Trinity Bellwoods Park as a pilot project on Thursday to encourage people in physical distancing during the COVID-19 outbreak. (Photo by Zou Zheng/Xinhua)

A worker paints a white circle on the grass at Trinity Bellwoods Park in Toronto, Canada, on May 28, 2020. The City of Toronto painted circles on the grass at Trinity Bellwoods Park as a pilot project on Thursday to encourage people in physical distancing during the COVID-19 outbreak. (Photo by Zou Zheng/Xinhua)