Phobjikha Valley is under Wangdue Phodrang district of western Bhutan, Phobjikha valley is a very beautiful, if not the most beautiful glacial valley in Bhutan. It is located 200 km east of Paro International Airport. During the winter months (November – February), this valley receives its unique visitors, the globally threatened Black Necked Crane(Grus Nigricollis) which migrates from neighboring Tibetan plateaus and Northern India. The historic Gangtey monastery is also located at this valley. This monastery the seat of Gangtey Trulku traces backs its lineage to the present ruling dynasty, the Wangchuck dynasty. It is believed that during winter months when the first group of Black necked crane arrives here, they circles the monastery for three rounds and follow the same rituals as they leave.