Normally, your cruise dock at Tianjin port at 7:00am. If weather is good and clear, it only takes your 1 hour through customs (sometimes longer, depend on how many people on your Cruise). Your friendly guide will hold sign with your name sign and wait for you at port exit B at 9:00am.

Then It will take about 3 hours form Tianjin Port to Mutianyu Great wall which is a one of the most famous and ideal sections of the Great Wall. You could choose chairlift up to Tower 6 . Then  spend around 2 hours on the great wall. And choose toboggan down from Tower 6 . Or cable car up to Tower 14  and cable car down from Tower 14.  If you scare about the height , it will better choose cable car up and down . If not ,chairlift up and toboggan down, it will have lots fine.