This combination photo shows an aerial view of Hongcun Village, east China's Anhui Province, April 20, 2019 (above, photo taken by Shi Yalei), and Hallstatt, Austria, April 25, 2019(bottom, photo taken by Guo Chen). Hongcun and Hallstatt, both world cultural heritage sites, attract tourists from all around the world. In 2018, Hongcun received some 36,000 foreign tourists, while Hallstatt hosted over 21,000 Chinese tourists who stayed overnight. (Photos: Xinhua)

This combination photo shows Hongcun Village, east China's Anhui Province, Sept. 26, 2012 (above), and Hallstatt, Austria, April 25, 2019 (bottom). Hongcun and Hallstatt, both world cultural heritage sites, attract tourists from all around the world. In 2018, Hongcun received some 36,000 foreign tourists, while Hallstatt hosted over 21,000 Chinese tourists who stayed overnight.

This combination photo shows Hongcun Village, east China's Anhui Province, Sept. 26, 2012 (above), and Hallstatt, Austria, April 25, 2019. Hongcun and Hallstatt, both world cultural heritage sites, attract tourists from all around the world. In 2018, Hongcun received some 36,000 foreign tourists, while Hallstatt hosted over 21,000 Chinese tourists who stayed overnight.

This combination photo shows Hongcun Village, east China's Anhui Province, March 25, 2017 (above), and Hallstatt, Austria, April 25, 2019. Hongcun and Hallstatt, both world cultural heritage sites, attract tourists from all around the world. In 2018, Hongcun received some 36,000 foreign tourists, while Hallstatt hosted over 21,000 Chinese tourists who stayed overnight.

This combination photo shows Hongcun Village, east China's Anhui Province, April 20, 2019 (above, photo taken by Shi Yalei), and Hallstatt, Austria, April 25, 2019 (bottom, photo taken by Guo Chen). Hongcun and Hallstatt, both world cultural heritage sites, attract tourists from all around the world. In 2018, Hongcun received some 36,000 foreign tourists, while Hallstatt hosted over 21,000 Chinese tourists who stayed overnight.

This combination photo shows local-style buildings in Hongcun Village, east China's Anhui Province, July 3, 2013 (above, photo taken by Shi Yalei), and European style architecture in Hallstatt, Austria, April 25, 2019 (bottom, photo taken by Guo Chen). Hongcun and Hallstatt, both world cultural heritage sites, attract tourists from all around the world. In 2018, Hongcun received some 36,000 foreign tourists, while Hallstatt hosted over 21,000 Chinese tourists who stayed overnight.

This combination photo shows Hongcun Village, east China's Anhui Province, Sept. 26, 2012 (above), and Hallstatt, Austria, April 25, 2019. Hongcun and Hallstatt, both world cultural heritage sites, attract tourists from all around the world. In 2018, Hongcun received some 36,000 foreign tourists, while Hallstatt hosted over 21,000 Chinese tourists who stayed overnight.

This combination photo shows foreign tourists posing for a group photo in Hongcun Village, east China's Anhui Province, April 20, 2019 (above, photo taken by Shi Yalei), and Chinese tourists posing for photos in Hallstatt, Austria, April 25, 2019 (bottom, photo taken by Guo Chen). Hongcun and Hallstatt, both world cultural heritage sites, attract tourists from all around the world. In 2018, Hongcun received some 36,000 foreign tourists, while Hallstatt hosted over 21,000 Chinese tourists who stayed overnight.

This combination photo shows foreign tourists taking photos in Hongcun Village, east China's Anhui Province, April 20, 2017 (above, photo taken by Shi Yalei), and Chinese tourists taking photos in Hallstatt, Austria, April 25, 2019 (bottom, photo taken by Guo Chen). Hongcun and Hallstatt, both world cultural heritage sites, attract tourists from all around the world. In 2018, Hongcun received some 36,000 foreign tourists, while Hallstatt hosted over 21,000 Chinese tourists who stayed overnight.

This combination photo shows foreign tourists in Hongcun Village, east China's Anhui Province, April 20, 2019 (above, photo taken by Shi Yalei), and a Chinese tourist taking photos in Hallstatt, Austria, April 25, 2019(bottom, photo taken by Guo Chen). Hongcun and Hallstatt, both world cultural heritage sites, attract tourists from all around the world. In 2018, Hongcun received some 36,000 foreign tourists, while Hallstatt hosted over 21,000 Chinese tourists who stayed overnight.

This combination photo shows Hongcun Village, east China's Anhui Province, April 20, 2019 (above, photo taken by Shi Yalei), and architecture in Hallstatt, Austria, April 25, 2019 (bottom, photo taken by Guo Chen). Hongcun and Hallstatt, both world cultural heritage sites, attract tourists from all around the world. In 2018, Hongcun received some 36,000 foreign tourists, while Hallstatt hosted over 21,000 Chinese tourists who stayed overnight.

This combination photo shows foreign tourists in Hongcun Village, east China's Anhui Province, April 20, 2019 (above, photo taken by Shi Yalei), and a Chinese couple in Hallstatt, Austria, April 25, 2019 (bottom, photo taken by Guo Chen). Hongcun and Hallstatt, both world cultural heritage sites, attract tourists from all around the world. In 2018, Hongcun received some 36,000 foreign tourists, while Hallstatt hosted over 21,000 Chinese tourists who stayed overnight.