As of the 1900s, the Grand Lama of Bhutan wore a hat with thunder dragons on it to signify the origins of the sect. As the sect became more popular, it set up monasteries in what is now Bhutan, with the result that the area became known as Dug Yul, or Land of Thunder, among both Tibetans and Bhutanese.
The Grand Lama of Bhutan wore a hat with thunder dragons on it to symbolize the origins of the sect during the 1900s. As the sect became more popular, it established monasteries in what is now Bhutan, leading to the area being known as Dug Yul, or Land of Thunder, among both Tibetans and Bhutanese people.