first time i heard about BYS, it's because of the medicine that produced using brand of this MT.
30mins form SH to GZeast, and then find the bus station, go travelling by 20 minutes around and reached the end of the MT.
well they have shortcut cableway to go to the peak of the mt, we decided claiming up. to have body trained and save some money of course.
Old saying show that up is easy and down hard. it's not barely means from technical point of view, also your energy is