Unfortunately, this city's zoo ultimately scrapped last summer's plans to turn one of its skyscrapers into a giant penguin. This city's chief planner, Peter Rees, has proclaimed an end to its "era of wacky buildings." The spire of a building currently on hold in this city was supposed to be lined with a spiraling purple collar of photovoltaic cells, but KPF's Pinnacle will probably be redesigned. Several of this city's tallest buildings surround [*] Canada Square. In this city, RSH+P is finishing up a glass skyscraper with no central core; instead, that entirely steel-frame building, affectionately known as "the cheesegrater," tapers wedge-like toward a semi-detached northern faÃ§ade. This home of the Leadenhall building is the site of the EU's tallest building, a Renzo Piano-designed glass pyramid that juts out from Southwark. For 10 points, name this city whose tallest building is the 
Unfortunately, this city's zoo ultimately scrapped last summer's plans to turn one of its skyscrapers into a giant penguin. This city's chief planner, Peter Rees, has proclaimed an end to its "era of wacky buildings." The spire of a building currently on hold in this city was supposed to be lined with a spiraling purple collar of photovoltaic cells, but KPF's Pinnacle will probably be redesigned. Several of this city's tallest buildings surround [*] Canada Square. In this city, RSH+P is finishing up a glass skyscraper with no central core; instead, that entirely steel-frame building, affectionately known as "the cheesegrater," tapers wedge-like toward a semi-detached northern faÃ§ade. This home of the Leadenhall building is the site of the EU's tallest building, a Renzo Piano-designed glass pyramid that juts out from Southwark. For 10 points, name this city whose tallest building is the Shard.
Unfortunately, this city's zoo ultimately scrapped last summer's plans to turn one of its skyscrapers into a giant penguin.
London