aerial view of the city of london with many construction cranes, st. paul's cathedral in the background.

cathedral crane construction aerial platform apartments block building machinery site elevator engineer engineering equipment estate exterior facade finance high highrise industrial industry infrastructure lift lifter modern occupation office project property real residential rise roller scaffold scaffolding security health work shoulder skyscraper structure wall workplace drone view dome london religion city cranes paul 39aph39 background avantgarde buildings fire escapes foreground