Photo taken on Jan. 12, 2014 shows the scenery of Lalu Wetland Reserve in Lhasa, capital of southwest China's Tibet Autonomous Region. According to a survey released on Wednesday by the regional forestry department, Tibet has seen an increase of wetland by 524,200 hectares in the past decade thanks to dedicated conservation efforts, taking the region's total to 6.52 million hectares. (Xinhua/Liu Kun)

Photo taken on Jan. 12, 2014 shows the scenery of Lalu Wetland Reserve in Lhasa, capital of southwest China's Tibet Autonomous Region. According to a survey released on Wednesday by the regional forestry department, Tibet has seen an increase of wetland by 524,200 hectares in the past decade thanks to dedicated conservation efforts, taking the region's total to 6.52 million hectares. (Xinhua/Liu Kun)

Photo taken on Jan. 12, 2014 shows the scenery of Lalu Wetland Reserve in Lhasa, capital of southwest China's Tibet Autonomous Region. According to a survey released on Wednesday by the regional forestry department, Tibet has seen an increase of wetland by 524,200 hectares in the past decade thanks to dedicated conservation efforts, taking the region's total to 6.52 million hectares. (Xinhua/Liu Kun)

Photo taken on Jan. 12, 2014 shows the scenery of Lalu Wetland Reserve in Lhasa, capital of southwest China's Tibet Autonomous Region. According to a survey released on Wednesday by the regional forestry department, Tibet has seen an increase of wetland by 524,200 hectares in the past decade thanks to dedicated conservation efforts, taking the region's total to 6.52 million hectares. (Xinhua/Liu Kun)

Photo taken on Jan. 12, 2014 shows the scenery of Lalu Wetland Reserve in Lhasa, capital of southwest China's Tibet Autonomous Region. According to a survey released on Wednesday by the regional forestry department, Tibet has seen an increase of wetland by 524,200 hectares in the past decade thanks to dedicated conservation efforts, taking the region's total to 6.52 million hectares. (Xinhua/Liu Kun)

Editor:Mirenda