What is the origin of the name of Jinhua Shuanglong Cave?

Jinhua refers to Shuanglong Cave (a place name) in Jinhua City: there is a Huanglong and a Qinglong in the cave, hence the name Shuanglong Cave.

"Remember Jinhua Shuanglong Cave" is a travel note, which describes the author Ye Shengtao's visit to Jinhua Shuanglong Cave. It is described in the order of sightseeing. Write down the beautiful scenery you saw along the way first; Then write the outer hole and the mouth of the outer hole; Rewrite pores; Finally write the inner hole. It was written according to spatial order.

Shuanglong Cave is a karst landscape, located in the center of Shuanglong Cave Scenic Area, which is characterized by a cave and a boat lying in it. It is the core landscape and landmark landscape of the entire Shuanglong Scenic Area. Shuanglong Cave is about 520 meters above sea level and consists of an inner hole, an outer hole and an ear hole. The entrance is Xuan Lang, and the stalactites hanging on both sides are green and yellow, which look like two faucets. The two faucets are in the outer hole, but the dragon body is hidden in the inner hole, hence the name "Shuanglong Cave".

Jinhua Shuanglong Cave is about 8 kilometers away from Jinhua City, located on the southern slope of Beishan Mountain at an altitude of 350-450 meters. In addition to the Shuanglong Cave at the bottom, there is Hu Bing Cave in the middle, and the highest is Chaozhen Cave. Shuanglong Cave is divided into inner and outer caves. The outer cave is tall and bright, with a height of more than 66 meters, a length of more than 33 meters and a depth of 1.200 square meters.

Firstly, according to the structural drawing method, the shape is partially formed, and it is not necessary to draw internal structural lines to find out the projection position and shape. Secondly, draw a long line on the side of the pen, spread out the tone with the projection, and then emphasize the projection and the dark side respectively. Gently wipe the color matching part with a pencil or paper towel, and don't use too much force to avoid rubbing lead powder into the paper, which will cause the reflection of the picture to be not deep. Finally, go deep into a rectangular hole and you can draw the picture.