Photo taken on April 26, 2016 shows the scenery of earth forest in Yuanmou County, southwest China's Yunnan Province. The earth forest is basically in color of yellow and the color varies in different part. It was formed by geological movement and soil erosion about 1.5 million years ago. (Xinhua/Lin Yigua

Photo taken on April 26, 2016 shows the scenery of earth forest in Yuanmou County, southwest China's Yunnan Province. The earth forest is basically in color of yellow and the color varies in different part. It was formed by geological movement and soil erosion about 1.5 million years ago. (Xinhua/Lin Yigua

Photo taken on April 26, 2016 shows the scenery of earth forest in Yuanmou County, southwest China's Yunnan Province. The earth forest is basically in color of yellow and the color varies in different part. It was formed by geological movement and soil erosion about 1.5 million years ago. (Xinhua/Lin Yigua

 Photo taken on April 26, 2016 shows the scenery of earth forest in Yuanmou County, southwest China's Yunnan Province. The earth forest is basically in color of yellow and the color varies in different part. It was formed by geological movement and soil erosion about 1.5 million years ago. (Xinhua/Lin Yigua

Photo taken on April 26, 2016 shows the scenery of earth forest in Yuanmou County, southwest China's Yunnan Province. The earth forest is basically in color of yellow and the color varies in different part. It was formed by geological movement and soil erosion about 1.5 million years ago. (Xinhua/Lin Yigua

Photo taken on April 26, 2016 shows the scenery of earth forest in Yuanmou County, southwest China's Yunnan Province. The earth forest is basically in color of yellow and the color varies in different part. It was formed by geological movement and soil erosion about 1.5 million years ago. (Xinhua/Lin Yigua

Photo taken on April 26, 2016 shows the scenery of earth forest in Yuanmou County, southwest China's Yunnan Province. The earth forest is basically in color of yellow and the color varies in different part. It was formed by geological movement and soil erosion about 1.5 million years ago. (Xinhua/Lin Yigua