TOPSHOT Russian opposition leader Alexei Navalny walks to take his seat in a Pobeda airlines plane heading to Moscow before take-off from Berlin Brandenburg Airport (BER) in Schoenefeld, southeast of Berlin, on January 17, 2021. - Chief Kremlin critic Alexei Navalny returns to Russia from Germany on January 17, facing imminent arrest after authorities warned they would detain him. The 44-year-old opposition leader is flying back to Moscow after spending several months in Germany recovering from a poisoning attack that he said was carried out on the orders of President Vladimir Putin. (Photo by Kirill KUDRYAVTSEV / AFP)