Like the name of the Kyichu itself,which literally translates as"Happy River"from Tibetan,there is one particular happy Tibetan-Mongolian couple living by the water's banks.Mongolian Tsering Nyima,the husband,and Tibetan Kalzang Yangdr on,his wife,have been living in Lhasa,the capital of the Tibet Autonomous Region,for nearly two decades under an umbrella of love,happiness,and harmony.