A quiet lake, like a mirror, reflects the great changes of history. Dashi village used to be closed traffic, industrial withering, poor and backward; Nowadays, butterfly has been transformed into a new tourism village with developed transportation, prosperous industry and civilized local style... Simple and kind stone people, feeling the grace of the party and the country, the construction of "Thanksgiving lake" to remember, meaning "happiness source, do not forget the grace of the party".