22K views · 116 shares | A giant cluster of karst sinkholes was discovered in Napo county, SW China’s Guangxi Zhuang autonomous region by a team of multinational scientists. The cluster consists of 19 karst sinkholes. Most of them boast a volume of over 1 million cubic meters and are interconnected through an underground river and a cave system, making them the largest cluster ever found south of the Tropic of Cancer. (China Daily) #geology | China Daily | Facebook

China is home to some of the most breathtaking railway journeys on Earth 🚆✨ From the roof of the world on the Qinghai–Tibet Railway, where tracks cross vast high-altitude plains and snow-capped mountains, to the charming Jiayang Steam Railway in rural Sichuan, where vintage locomotives wind through bamboo forests and rice terraces. Travel south and you’ll find railways threading through the dramatic mountains of Yunnan, while routes near Guilin glide past iconic karst limestone peaks straight o