Aerial view, 20 Fenchurch Street, 22 Bishopsgate, 30 St Mary Axe, 40 Leadenhall, 80 Fenchurch St, Aldgate, City of London, Fenchurch St, Leadendhall Building, london, London EC3A 5BU, London EC3M 4BY, Mitre House 12-14, Swiss Re Building, Swiss re Tower.