main entrance of the lavrin süm temple in erdene zuu monastery, orkhon valley world heritage site, karakorum, mongolia

abtai adventure aimag ancient architecture asian blue buddha buddhism buddhist construction culture entrance erdene famous gelug genghis heritage historic journey karakorum khan kharkhorin landmark lavrin main monastery mongolia mongolian monument museum nobody old orkhon ovorkhangai people province red religion sacred sain shrine site sky spirituality sum temple tibetan tourism tradition traditional travel unesco vacation valley wall world zuu