A family are making "Kasai", a traditional fried Tibetan food made of flour, butter and salt, to greet Tibetan New Year, or Losar, in Qonggyai County of Shannan, southwest China's Tibet Autonomous Region, Feb. 3, 2017. Sugar can also be added into "Kasai" according to different tastes.(Xinhua/Liu Dongjun)

A staff worker sells "Kasai", a traditional fried Tibetan food made of flour, butter and salt, to greet Tibetan New Year, or Losar, in Lhasa, capital of southwest China's Tibet Autonomous Region, Feb. 22, 2017. (Xinhua/Liu Dongjun)

Staff workers make "Kasai", a traditional fried Tibetan food made of flour, butter and salt, to greet Tibetan New Year, or Losar, in Lhasa, capital of southwest China's Tibet Autonomous Region, Feb. 22, 2017. (Xinhua/Liu Dongjun)

Customers buy "Kasai", a traditional fried Tibetan food made of flour, butter and salt, to greet Tibetan New Year, or Losar, in Lhasa, capital of southwest China's Tibet Autonomous Region, Feb. 22, 2017. (Xinhua/Liu Dongjun)

Staff workers make "Kasai", a traditional fried Tibetan food made of flour, butter and salt, to greet Tibetan New Year, or Losar, in Lhasa, capital of southwest China's Tibet Autonomous Region, Feb. 22, 2017. (Xinhua/Liu Dongjun)

A family are making "Kasai", a traditional fried Tibetan food made of flour, butter and salt, to greet Tibetan New Year, or Losar, in Qonggyai County of Shannan, southwest China's Tibet Autonomous Region, Feb. 3, 2017. Sugar can also be added into "Kasai" according to different tastes.(Xinhua/Liu Dongjun)