Amazing China: Sinkholes and floor drains in the magnetic mountains

In Southwest China, there is a rift zone with a length of more than 300 kilometers and a width of tens to hundreds of kilometers, which is called the Panxi Rift Valley. With untouched forests, mountains, sinkholes and floor drains, and other geological wonders, this place is known as the "natural geological museum", and the most amazing thing is - the mountains are magnetic.