Introduction to Sancha Peak: Sancha Peak, also known as Sancha Peak, is 580 meters above sea level. There is a gap in the middle of the leftmost peak. During World War II, the American Black Widow fighter jet took off from an aircraft carrier to bomb Tokyo, Japan and then returned. Due to insufficient fuel, it could not return to the aircraft carrier in the Pacific. It had to cross the Yellow Sea to find a landing place in China. It ran out of fuel before finding a suitable place. , hit the mountain peak, forming this gap. A nearby village found the wreckage of the plane near Zhuangyuan Well.