pile of large boulders on huashan mountain

active activity asia attraction background boulders carefully chain challenge challenging china cliff climb clouds crowds danger dangerous descending destination east edge families family fog foggy formation formations geological geology hike hiking holding holidays huashan landscape large massive mist misty mountain narrow north outcrop path pathway peak peril perilous pile ribbons ridge risky rocks rocky scary shaanxi stunning summer tall temple top tourists trail trees trekking unhappy vertical view visibility weather west xian