The clear stream of Oizawa in the Sagae river system in Yamagata

मौसम-घटनाक्रम / The clear stream of Oizawa in the Sagae river system in Yamagata
प्रकृति-लैंडस्केप / The clear stream of Oizawa in the Sagae river system in Yamagata
परिस्थितिकी / The clear stream of Oizawa in the Sagae river system in Yamagata