Photo taken on Jan. 16, 2017 shows a night view of Lausanne, Switzerland. (Xinhua/Gong Bing)
Photo taken on Jan. 16, 2017 shows a night view of Lausanne, Switzerland. (Xinhua/Gong Bing)
Photo taken on Jan. 16, 2017 shows a night view of Lausanne, Switzerland. (Xinhua/Gong Bing)
Photo taken on Jan. 16, 2017 shows a night view of Lausanne, Switzerland. (Xinhua/Gong Bing)
Photo taken on Jan. 16, 2017 shows a night view of Lausanne, Switzerland. (Xinhua/Gong Bing)
Photo taken on Jan. 16, 2017 shows a night view of Lausanne, Switzerland. (Xinhua/Gong Bing)
Photo taken on Jan. 16, 2017 shows a night view of Lausanne, Switzerland. (Xinhua/Gong Bing)
Photo taken on Jan. 16, 2017 shows a night view of Lausanne, Switzerland. (Xinhua/Gong Bing)
Photo taken on Jan. 16, 2017 shows a night view of Lausanne, Switzerland. (Xinhua/Gong Bing)
Photo taken on Jan. 16, 2017 shows a night view of Lausanne, Switzerland. (Xinhua/Gong Bing)
