1. Mexico city is the biggest and noisiest city in the world.
2.It's much hotter and more crowdred than i expected.
3.The traffic is worse than I imagined.
4.It's hotter than i expected.
5.It's much cooler indoors.
6.It's much noisier and more crowdred than london.
7. He has the most famous carnival parade in the world and trust me it is fantastic.
8.It also has one of the biggest football stadiums in the worid.