This document provides information about Mt. Huangshan scenic spot and Emerald Valley. It describes Emerald Valley as over 6 km long with more than 100 emerald ponds of different shapes and sizes. Emerald Valley is also known as "Lover's Valley" and the scenery of the ponds changes color depending on the sunlight. The valley stretches upwards like a ladder and in the nighttime, the shadows of light, water, and people blend together in the ponds, hinting at love.