Complete the sentences with not as ... as. The Burj Khalifa is higher than the Eiffel Tower. The Eiffel Tower isn't as high as the Burj Khalifa. 1 The Parthenon is older than the Colosseum. The Colosseum 2 Egypt is hotter than Spain. Spain 3 Castles are more interesting than caves. Caves 4 Delhi is noisier than London. London