A view taken on January 19, 2021 shows Moscow's penal detention centre Number 1 (known as Matrosskaya Tishina) where opposition leader Alexei Navalny is held after being jailed for 30 days following his arrest at a Moscow airport upon the arrival from Berlin. - Navalny was detained on his return to Russia on January 17, 2021 for violating the terms of a 2014 suspended sentence by not checking in with Russia's prison service twice a month. (Photo by NATALIA KOLESNIKOVA / AFP)