The Guilin Hills are rock formations made of limestone and they are situated along the Li River in China. The tree-covered limestone hills are one of China’s most storied natural wonders, known as Guilin after the local town.
The Ténéré is a desert region in the south central Sahara. It comprises a vast plain of sand stretching from northeastern Niger into western Chad. The name Ténéré comes from the Tuareg language, meaning “desert”.