Ключевые слова: 20 fenchurch street, 30 st mary axe, architecture, blue sky, building, business, cbd, central business district, city of london, daytime, england, finance, financial, horizontal, london, london bridge, modern, office, river thames, skyline, the cheesegrater, the gherkin, the helter skelter, the leadenhall building, the monument, the pinnacle, the walkie talkie, uk,