London was built on clay so it was harder to build high than in New York, which stands on rock. For many years the tallest architects could construct a skyscraper was 5 - 600 feet. Then new technology allowed them to build higher and London’s tallest building is currently The Shard next to London Bridge, which is over 1000 feet tall. One Undershaft in The City was built to match The Shard in height and it too will have a viewing tower with an education centre operated by the recently renamed London Museum (formerly Museum of London).

As well as the important buildings and monuments, Blue Badge Tourist Guides have to be aware of distinctive characters on the streets of London. None are more distinct than the Pearly Kings and Queens who dress up in the ‘colourful’ costumes and raise money for charity. In fact, a Pearly costume is usually made from black and white materials, with occasionally a brightly coloured scarf (as on this photograph) or feathers adorning a pearly hat or cap.