In London, one of the most notable contemporary landmarks is 30 St Mary Axe, popularly known as "The Gherkin", designed by Norman Foster (2004). It replaced the London Millennium Tower – a much taller project that Foster earlier had proposed for the same site, which would have been the tallest building in Europe, but was so tall that it interfered with the flight pattern for Heathrow Airport. The steel framework of the Gherkin is integrated into the glass facade, giving it the colorful appearance of an elongated Russian easter egg,