Students practice sailing on the Taihu Lake in Suzhou of east China's Jiangsu Province, on Sept. 16, 2020. The Suzhou Linhu No.1 Central Primary School, which located by the Taihu Lake, started to teach sailing as a subject of the PE classes for their 5th grade students from 2017. Students attending the sailing classes were provided with professional coaching and sailboats. (Xinhua/Li Bo)

Students practice sailing on the Taihu Lake in Suzhou of east China's Jiangsu Province, on Sept. 20, 2020. The Suzhou Linhu No.1 Central Primary School, which located by the Taihu Lake, started to teach sailing as a subject of the PE classes for their 5th grade students from 2017. Students attending the sailing classes were provided with professional coaching and sailboats. (Xinhua/Li Bo)

Students practice sailing on the Taihu Lake in Suzhou of east China's Jiangsu Province, on Sept. 20, 2020. The Suzhou Linhu No.1 Central Primary School, which located by the Taihu Lake, started to teach sailing as a subject of the PE classes for their 5th grade students from 2017. Students attending the sailing classes were provided with professional coaching and sailboats. (Xinhua/Li Bo)

Students practice sailing on the Taihu Lake in Suzhou of east China's Jiangsu Province, on Sept. 20, 2020. The Suzhou Linhu No.1 Central Primary School, which located by the Taihu Lake, started to teach sailing as a subject of the PE classes for their 5th grade students from 2017. Students attending the sailing classes were provided with professional coaching and sailboats. (Xinhua/Li Bo)

Students practice sailing on the Taihu Lake in Suzhou of east China's Jiangsu Province, on Sept. 16, 2020. The Suzhou Linhu No.1 Central Primary School, which located by the Taihu Lake, started to teach sailing as a subject of the PE classes for their 5th grade students from 2017. Students attending the sailing classes were provided with professional coaching and sailboats. (Xinhua/Li Bo)

Students prepare to practice sailing on the Taihu Lake in Suzhou of east China's Jiangsu Province, on Sept. 16, 2020. The Suzhou Linhu No.1 Central Primary School, which located by the Taihu Lake, started to teach sailing as a subject of the PE classes for their 5th grade students from 2017. Students attending the sailing classes were provided with professional coaching and sailboats. (Xinhua/Li Bo)

Coach Li Jiuming (L) give instructions to students attending a saling class in Suzhou of east China's Jiangsu Province, on Sept.16, 2020. The Suzhou Linhu No.1 Central Primary School, which located by the Taihu Lake, started to teach sailing as a subject of the PE classes for their 5th grade students from 2017. Students attending the sailing classes were provided with professional coaching and sailboats. (Xinhua/Li Bo)

Students practice sailing on the Taihu Lake in Suzhou of east China's Jiangsu Province, on Sept. 16, 2020. The Suzhou Linhu No.1 Central Primary School, which located by the Taihu Lake, started to teach sailing as a subject of the PE classes for their 5th grade students from 2017. Students attending the sailing classes were provided with professional coaching and sailboats. (Xinhua/Li Bo)

Students practice sailing on the Taihu Lake in Suzhou of east China's Jiangsu Province, on Sept. 16, 2020. The Suzhou Linhu No.1 Central Primary School, which located by the Taihu Lake, started to teach sailing as a subject of the PE classes for their 5th grade students from 2017. Students attending the sailing classes were provided with professional coaching and sailboats. (Xinhua/Li Bo)

Students practice sailing on the Taihu Lake in Suzhou of east China's Jiangsu Province, on Sept. 16, 2020. The Suzhou Linhu No.1 Central Primary School, which located by the Taihu Lake, started to teach sailing as a subject of the PE classes for their 5th grade students from 2017. Students attending the sailing classes were provided with professional coaching and sailboats. (Xinhua/Li Bo)

Students attending a saling class in Suzhou of east China's Jiangsu Province, on Sept. 24, 2020. The Suzhou Linhu No.1 Central Primary School, which located by the Taihu Lake, started to teach sailing as a subject of the PE classes for their 5th grade students from 2017. Students attending the sailing classes were provided with professional coaching and sailboats. (Xinhua/Li Bo)

Students practice sailing on the Taihu Lake in Suzhou of east China's Jiangsu Province, on Sept. 20, 2020. The Suzhou Linhu No.1 Central Primary School, which located by the Taihu Lake, started to teach sailing as a subject of the PE classes for their 5th grade students from 2017. Students attending the sailing classes were provided with professional coaching and sailboats. (Xinhua/Li Bo)

Students walks on the sailboats near the Taihu Lake in Suzhou of east China's Jiangsu Province, on Sept. 16, 2020. The Suzhou Linhu No.1 Central Primary School, which located by the Taihu Lake, started to teach sailing as a subject of the PE classes for their 5th grade students from 2017. Students attending the sailing classes were provided with professional coaching and sailboats. (Xinhua/Li Bo)

Students practice sailing on the Taihu Lake in Suzhou of east China's Jiangsu Province, on Sept. 16, 2020. The Suzhou Linhu No.1 Central Primary School, which located by the Taihu Lake, started to teach sailing as a subject of the PE classes for their 5th grade students from 2017. Students attending the sailing classes were provided with professional coaching and sailboats. (Xinhua/Li Bo)

Students practice sailing on the Taihu Lake in Suzhou of east China's Jiangsu Province, on Sept. 16, 2020. The Suzhou Linhu No.1 Central Primary School, which located by the Taihu Lake, started to teach sailing as a subject of the PE classes for their 5th grade students from 2017. Students attending the sailing classes were provided with professional coaching and sailboats. (Xinhua/Li Bo)

Students practice sailing on the Taihu Lake in Suzhou of east China's Jiangsu Province, on Sept. 20, 2020. The Suzhou Linhu No.1 Central Primary School, which located by the Taihu Lake, started to teach sailing as a subject of the PE classes for their 5th grade students from 2017. Students attending the sailing classes were provided with professional coaching and sailboats. (Xinhua/Li Bo)

Students practice sailing on the Taihu Lake in Suzhou of east China's Jiangsu Province, on Sept. 16, 2020. The Suzhou Linhu No.1 Central Primary School, which located by the Taihu Lake, started to teach sailing as a subject of the PE classes for their 5th grade students from 2017. Students attending the sailing classes were provided with professional coaching and sailboats. (Xinhua/Li Bo)

Students practice sailing on the Taihu Lake in Suzhou of east China's Jiangsu Province, on Sept. 16, 2020. The Suzhou Linhu No.1 Central Primary School, which located by the Taihu Lake, started to teach sailing as a subject of the PE classes for their 5th grade students from 2017. Students attending the sailing classes were provided with professional coaching and sailboats. (Xinhua/Li Bo)