Tourists view lotus blossoms at a canal wetland park in Tai'erzhuang District of Zaozhuang City, east China's Shandong Province, June 27, 2016. (Xinhua/Gao Qimin)

Tourists view lotus blossoms at a canal wetland park in Tai'erzhuang District of Zaozhuang City, east China's Shandong Province, June 27, 2016. (Xinhua/Gao Qimin)

Tourists on a sightseeing boat view lotus blossoms at a canal wetland park in Tai'erzhuang District of Zaozhuang City, east China's Shandong Province, June 27, 2016. (Xinhua/Gao Qimin)

Photo taken on June 27, 2016 shows lotus blossoms at a canal wetland park in Tai'erzhuang District of Zaozhuang City, east China's Shandong Province. (Xinhua/Gao Qimin)

Tourists on a sightseeing boat view lotus blossoms at a canal wetland park in Tai'erzhuang District of Zaozhuang City, east China's Shandong Province, June 27, 2016. (Xinhua/Gao Qimin)

Tourists view lotus blossoms at a canal wetland park in Tai'erzhuang District of Zaozhuang City, east China's Shandong Province, June 27, 2016. (Xinhua/Gao Qimin)

Tourists view lotus blossoms at a canal wetland park in Tai'erzhuang District of Zaozhuang City, east China's Shandong Province, June 27, 2016. (Xinhua/Gao Qimin)

Tourists on a sightseeing boat view lotus blossoms at a canal wetland park in Tai'erzhuang District of Zaozhuang City, east China's Shandong Province, June 27, 2016. (Xinhua/Gao Qimin)

Photo taken on June 27, 2016 shows lotus blossoms at a canal wetland park in Tai'erzhuang District of Zaozhuang City, east China's Shandong Province. (Xinhua/Gao Qimin)