There are three fundamental reasons why you should travel to London. One is a comfortable journey, 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 convenient, 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 there are also disadvantages is a journey by train is complex, must look at the map carefully, two.