XINING, June 2, 2020 (Xinhua) -- A child watches turtles at an ocean-themed park in Xining, northwest Chinas Qinghai Province, June 1, 2020. June 1 marks the International Childrens Day.

CHICAGO, June 2, 2020 (Xinhua) -- Demonstrators clash with police during a protest over the death of George Floyd in Chicago, the United States, on May 30, 2020. Chicago Mayor Lori Lightfoot imposed a curfew on the city on May 30. Chicagos precautions followed a chaotic and violent Saturday evening, when many businesses along the streets were looted, police cars overturned and some properties damaged.

MANCHESTER, June 2, 2020 (Xinhua) -- A woman and a child walk past Springfield Primary School in Sale in Greater Manchester, Britain on June 1, 2020. As most primary schools in England reopened to more pupils on Monday, a survey from an authoritative education body suggested that schools expect half of parents would like to keep their children at home rather than send them back to school.

. BELGRADE, June 2, 2020 (Xinhua) -- Serbian Defense Minister Aleksandar Vulin (5th L) and Chinese Ambassador to Serbia Chen Bo (4th R) pose for a group photo with members of Chinese expert medical team during an award ceremony in Belgrade, Serbia, June 1, 2020. Another three members of a six-strong Chinese expert medical team to Serbia were awarded on Monday with military memorial medals for their assistance in fighting the COVID-19 pandemic.

BEIJING, June 2, 2020 (Xinhua) -- Children participate in a game at a kindergarten in Nanming District of Guiyang, southwest Chinas Guizhou Province, June 1, 2020, the International Childrens Day.

NEW YORK, June 2, 2020 (Xinhua) -- People protest over the death of George Floyd in New York, the United States, June 1, 2020.