Low angle view of office buildings under construction in the City of London against blue sky, United Kingdom. Built, UK, abstract, bank, banking, building, buildings, business, center, cityscape, commercial, contemporary, corporate, crane, curtain, curtain wall, district, downtown, engineering, england, exterior, facade, finance, financial, futuristic, glass, global, innovation, light, modern, office, reflection, scene, sky, skyline, skyscraper, steel, structure, tall, technology, tower