even now, as things open up here in london, the streets may be alive with diners and drinkers, but many office buildings are at a fraction of capacity. we often talk about how the pandemic has changed the way that we live and work, but what we don't know is which of these changes are here to stay. so planning for the future and trying to get back to some sort of new normal could be rather challenging. renting and running large office space is costly. and we're yet to know how many people will spend how much time in them. so while we've seen so—called "smart buildings" pop up for some years now, never has the need for flexible space and a safe and efficient flow of people felt more important. this is 22 bishopsgate, a new building that's been designed to house 12,000 staff, and, from the ground up,