Simon Dawson/Reuters
Russia's embassy in Kensington, London.
Britain and Russia are in the middle of their most intense diplomatic crisis since the Cold War over the poisoning of ex-spy Sergei Skripal and his daughter in Salisbury earlier this month.
Theresa May expelled 23 Russian diplomats from the UK earlier week, prompting a reciprocal action from Moscow. Despite losing about 30% of its staff, though, activity in the embassy still seemed like business as usual.
Business Insider attended a press conference on Thursday with Russia's ambassador to the UK, Alexander Yakovenko, and was given access to most - but not all - of the opulent building.
Scroll down to take a look inside.