Rare: Giant wasp nests that take at least ten years to form

The wasp nest is in an irregular round shape. Its largest diameter is about 95 cm and its height is 85 cm. It is much larger than ordinary nests and was discovered by a farmer in Nanzhang County, Hubei Province, in the deep mountains of Shennongjia. Currently, it is collected by Xiangfan Yangshengyuan Bee Farm. Professionals said that it would take at least ten years to form such a big nest, so it is extremely rare.