Policemen wearing face masks patrol at the compound of No. 2 Intermediate People’s Court in Beijing on Monday, as Canadian Michael Kovrig went on trial in a closed courtroom for espionage.

Policemen wearing face masks patrol at the compound of No. 2 Intermediate People’s Court in Beijing, Monday, Sept 22, 2021. The Beijing court was expected to put on trial second Canadian citizen Michael Kovrig held for more than two years on spying charges in apparent retaliation for Canada’s arrest of a senior executive of the telecoms giant Huawei. (AP Photo/Andy Wong)