The final frontier.
The Mariupol garrison is now confined to the city’s main fortress, the Azovstal industrial complex.
It’s a giant and very complicated maze of steel and concrete, with lots of fortified underground shelters.
It will be very hard to get. pic.twitter.com/MiPpT3eWvZ

— Illia Ponomarenko 🇺🇦 (@IAPonomarenko) April 19, 2022