The Tower of London, right, and Skyscrapers, including 20 Fenchurch Street, also known as the “Walkie-Talkie,” 22 Bishopsgate office tower, the Leadenhall building, also known as the “Cheesegrater”, The Scalpel and 30 St Mary Axe, also known as “the Gherkin” stand beside the River Thames in the City of London, U.K. (Photographer: Bryn Colton/Bloomberg)