Complex sentence: The 12 interconnected buildings were each named for a different World War II RAF aerodrome, the most significant buildings being the very tall Northolt and Kenley towers and the large ziggurat shaped Tangmere block.
Split into simpler sentences: The 12 interconnected buildings were each named after a different World War II RAF aerodrome. The most conspicuous buildings are the very tall Northolt and Kenley towers, and the large ziggurat shaped Tangmere block.