Sun island is one of about 1200 mu in jialing river of jiangxin oasis, gently topography, and seaweed thick. Earlier this island does not exist, downstream of the horse back to power plant construction, water level rise, land from the parent with the mountain together, formed the jiangxin solitary state. Called the sun island, due to its downstream and a smaller area, the central bar shaped like a crescent moon, people in order to make them photograph echo, gives a good name is sun island, the island. Sun island only different on the lush grass, grazing cattle, flying egrets, is a natural ranch. Place oneself in the island, is in the endless prairie, you can also see rare bird harmonic in the figure.