London is one of my favourite cities – I visit at least once a year. There’s always something happening, always something new to do. In this guide, I’ll show you 20 of the most exciting things to do in London, from big tourist attractions to spots you may not know about yet. 1. See Big Ben Big Ben is easily London’s most iconic landmark, so of course it should be on your itinerary! Even if you don’t plan on seeing the inside, it’s worth visiting. Entry to Big Ben was, until recently, limited to UK residents only. It is now possible to visit the clock tower as an international tourist.…