Cai Ying (3rd L), director of the Shenzhen Foreign Affairs Office, and representatives from Tencent and the Shenzhen Foundation for International Exchange and Cooperation attend a mask donation ceremony in Futian District yesterday.  Tencent and the foundation donated 200,000 masks worth more than 1.7 million yuan (US$242,000) to the city of Rio de Janeiro, the second-largest city of Brazil which has become a coronavirus hot spot.    (Story on P2)    Courtesy of the foundation