challenge: What companies/attractions are based in and around County Hall, London?
  
  A. Sea Life London Aquarium, London Dungeon, Shrek's Adventure!, and The London Eye
  B. The London Zoo, The British Museum, The National Gallery, and The London Eye
  C. The London Dungeon, The London Eye, The Shard, and The Tower of London
  D. Sea Life London Aquarium, London Dungeon, Shrek's Adventure!, and The British Museum
  Answer: 