Aerial photo taken on Jan. 5, 2019 shows scenery of Kunming Waterfall Park in Kunming, capital of southwest China's Yunnan Province. The park features a grand manmade waterfall, which is 12.5 meters in height and 400 meters in width. The waterfall is part of the project diverting water from the Niulan River into Dianchi Lake. (Xinhua/Hu Chao)

Aerial photo taken on Jan. 5, 2019 shows tourists visiting Kunming Waterfall Park in Kunming, capital of southwest China's Yunnan Province. The park features a grand manmade waterfall, which is 12.5 meters in height and 400 meters in width. The waterfall is part of the project diverting water from the Niulan River into Dianchi Lake. (Xinhua/Hu Chao)

Tourists pose for a group photo at Kunming Waterfall Park in Kunming, capital of southwest China's Yunnan Province, Jan. 5, 2019. The park features a grand manmade waterfall, which is 12.5 meters in height and 400 meters in width. The waterfall is part of the project diverting water from the Niulan River into Dianchi Lake. (Xinhua/Qin Qing)

Aerial photo taken on Jan. 5, 2019 shows scenery of Kunming Waterfall Park in Kunming, capital of southwest China's Yunnan Province. The park features a grand manmade waterfall, which is 12.5 meters in height and 400 meters in width. The waterfall is part of the project diverting water from the Niulan River into Dianchi Lake. (Xinhua/Hu Chao)

Aerial photo taken on Jan. 5, 2019 shows tourists visiting Kunming Waterfall Park in Kunming, capital of southwest China's Yunnan Province. The park features a grand manmade waterfall, which is 12.5 meters in height and 400 meters in width. The waterfall is part of the project diverting water from the Niulan River into Dianchi Lake. (Xinhua/Hu Chao)

Tourists visit Kunming Waterfall Park in Kunming, capital of southwest China's Yunnan Province, Jan. 5, 2019. The park features a grand manmade waterfall, which is 12.5 meters in height and 400 meters in width. The waterfall is part of the project diverting water from the Niulan River into Dianchi Lake. (Xinhua/Qin Qing)

Aerial photo taken on Jan. 5, 2019 shows scenery of Kunming Waterfall Park in Kunming, capital of southwest China's Yunnan Province. The park features a grand manmade waterfall, which is 12.5 meters in height and 400 meters in width. The waterfall is part of the project diverting water from the Niulan River into Dianchi Lake. (Xinhua/Hu Chao)

Tourists visit Kunming Waterfall Park in Kunming, capital of southwest China's Yunnan Province, Jan. 5, 2019. The park features a grand manmade waterfall, which is 12.5 meters in height and 400 meters in width. The waterfall is part of the project diverting water from the Niulan River into Dianchi Lake. (Xinhua/Qin Qing)

Tourists visit Kunming Waterfall Park in Kunming, capital of southwest China's Yunnan Province, Jan. 5, 2019. The park features a grand manmade waterfall, which is 12.5 meters in height and 400 meters in width. The waterfall is part of the project diverting water from the Niulan River into Dianchi Lake. (Xinhua/Qin Qing)

Tourists visit Kunming Waterfall Park in Kunming, capital of southwest China's Yunnan Province, Jan. 5, 2019. The park features a grand manmade waterfall, which is 12.5 meters in height and 400 meters in width. The waterfall is part of the project diverting water from the Niulan River into Dianchi Lake. (Xinhua/Qin Qing)