In a city as vibrant and trendy as London, sometimes the best thing to do is to wander. For all the attractions, sightseeing opportunities, and events, you can most effectively absorb the city’s greatness by being among its people, walking its most active or attractive areas, and getting a taste of what it actually feels like to be a Londoner. Even so, it’s not necessarily wise to set out on an aimless adventure. Big cities around the world tend to look a lot smaller in the eye of an excited traveler, because blogs, photos, postcards and the like boil them down to a few key neighborhoods. The fact is that London is a massive, sprawling city, and it has plenty…