Why do almost all skyscrapers in the City of London have glass facades?

Question

burkeundco · Answer

Purely a question of design = architecture.

uburoi · Answer

imitation

grtgrt · Answer

This is the easiest way to achieve from a construction point of view and also provides the rooms with plenty of natural daylight.

dackodil · Answer

So that as many birds as possible break their necks.