Is the cave mountain gate sealed?

No. According to the query Dongkou County epidemic prevention and control level division shows that Dongkou County, except for Huangqiao Town are low-risk areas, so Dongkou Shanmen did not seal. Hunan Province, Dongkou County Shanmen Town is located in the northeast of Dongkou County, 20 kilometers from the county seat, referred to as Shanmen. "Shanmen", because the town north of the Huangnian River on both sides of the snowy peaks facing each other, just like the gate, so the name Shanmen.