Operate guidebook:The direction key control, the or so key make a turn, up and down the key go forward countermarch.

方向控制，转弯，上下前进后退。

The countermarch phenomenon of the Mingyong glacier of Meili Snow Mountain has taken place in Yunnan province.The change auspice also has taken place in Xishuangbanna district.

受全球气候变暖的响,云南梅里雪山的明永冰川已发生后退,西双版纳也已出一些变化的前兆。