About the location
This area in general offers a lot as a photographers playground. Besides the stunning skyscrapers of the district, the Canary Wharf Underground Station nearby is a great place for photographers. It has two beautiful and pretty futuristic looking entrances. The main entrance is a little bit bigger and has longer and more escalators, but the other one looks a little bit better in terms of a photographic composition. Professional photography is prohibited at this place though, because it's nevertheless a private space, so make sure to get a permission first if you are planning job-related photos.