<□>Li Lei and Han M□imei□□□r□ two adventurou□ s□uls□□h□ always□sough□ □xc□□e□ent and thrill □n thei□ l□ves. T□ey were□bes□ friend□□since childhood and sha□ed a p□ssion□for e□ploring t□e unkno□n. One da□, as the□ □ere□sitting under the o□d oak tree in the□park, □an Me□m□i□had□an idea that would l□ad □hem on a ne□ a□ventur□ t□at th□y would never□forget.