Какие здесь языковые ошибки:

There are so many museums, galleries and historic places that it can sometimes be a bit overwhelming. But London also have ... lots of other attractions that are there just for fun. the London eye a giant wheel on the south bank of a Thames is one of ... them

There are so many museums, galleries and historic places that it can sometimes be a bit overwhelming - нарушен порядок слов. Надо - it can be a bit overwhelming sometimes.

But London also have (has) lots of other attractions that are there just for fun.

The London eye, a giant wheel on the south bank of a (the) Thames, is one of them.