There are three fundamental reasons why you should travel to London. One is easy, but there are drawbacks: the travelling on trains that are complex. You need to look at the map carefully.
There are three reasons why you should go to London. One is easy, but it has the disadvantage of rail travel is complicated. You should see two discreet.
Realistic three why you should visit to London. One is the convenient transportation, but it has the disadvantage is the train are complicated. You have to look at the map carefully, two.