There are many empty or half empty non residential buildings in Canary wharf.
It is becoming increasingly difficult to find tenants for these high cost redundant legacy office complexes.
Of course some are being converted into residential luxury apartments which no local can afford...but hey why worry about basic economics.
Squatter rights are almost nonexistent currently and you don't have to be an anarchist to understand right from wrong.
Fair play to these young people. Doing something useful with these abandoned buildings.
I find it pretty inspiring, neither is it lost on me that most of them seem to be 20 something liberal attractive females, so there's an ulterior motive for getting involved too!
More power to them.👍🏼