London will soon be the skyscraper capital of Western Europe, with four of the region's Top 10 tallest buildings under construction (Shard, Bishopsgate Tower, Heron Tower, Riverside South) according to Wikipedia. To mark the erection of Heron Tower's spire, tall buildings is the theme for this week's quiz.
As usual, let us know in the comments how you fared.
Previous London quizzes (go on, have a go): Bridges, Characters, Dogs, East London Line, Football, German London, Museums, Parks, Politics, Pubs, Science, Skies