It's not a few, Houses of Parliament droning centre will be destroyed with Buckingham Palce, St Pauls Cathedral and Tower Bridge to name a few.

Yeah it's all fairly close together, I should imagine all connecting tunnels beneath. There's a River Tyburn beneath Buckingham Palace, it comes off the Thames, one entrance is right by Battersea power station.

Some of the prominent MPs involved County lines trafficking are.....

John Bercow
Margaret Hodge
Sadiq Khan
Tony Blair
Gordon Brown

They're doing it in a way to minimise loss of life, most of this has already happened in 2018, Blair and Khan are no more alive than Biden or Bush. All the structures are going to be destroyed in all countries, I expect controlled demolition, maybe disgused as a natural disaster, but the work or planning has already been done during the lockdowns and before. Alot of the sites have been boarded up for some time.