200m long carpet deep covered with Chinese train station

The ones that swarmed the bulls across the subway station in China, forming a thick black carpet that raised concerns about earthquakes.

The slide appeared at the exit of the subway station on Yingfeng Road in Xiaoshan District, Hangzhou, China on August 7, according to Zhejiang Daily. In the video recorded by the witnesses, thousands of black scrolls crawled on each other, covering the floor tiles.

"The cow mats are scattered along the benches and form a 200m long row," confirmed a reporter.

Some people who are afraid of rolling over may be a sign of earthquakes, but experts have dismissed this suspicion. Professor Xue Zhihong in the agricultural department of Zhejiang University of Agriculture and Forestry said that rolling is a popular group of arthropods.

"This is a very common species in the countryside. They live on the ground in humid conditions. They reproduce in large quantities in the summer, so I don't think this is not an earthquake sign," said the professor. Xue said.

Although it appeared to appear in large flocks and penetrate the areas of the city, many died under intense sunlight. The rollers are usually dark brown and the body is about 2-3cm long. They are thought to have spilled out from the pasture near the train station.

The rollers are usually dark brown and the body is about 2-3cm long.

A security guard shared the rolling animals often crawling out in the early morning and evening."The scene is so awful. Many girls walk by shouting when they see it so much," the guard said.