You can’ see, in other words, the whole of London, until now an unencompassable splodge that could last have been captured in a single view perhaps 200 years ago, to its perimeter and beyond. Close to, familiar and not-small objects, such as the Gherkin and HMS Belfast, look like large toys. It is both implausible and real, something well-known seen from an unprecedented place. It’s hard to know what to do except gawp.” (And then there’s the building itself.)