People select Tangqiu, or "tanghulu", a traditional Chinese snack of candied fruit, at an annual traditional tanghulu fair in Qingdao, east China's Shandong Province, on Feb. 18, 2019. (Xinhua/Li Ziheng)

Staff members sell Tangqiu, or "tanghulu", a traditional Chinese snack of candied fruit, at an annual traditional tanghulu fair in Qingdao, east China's Shandong Province, on Feb. 18, 2019. (Xinhua/Li Ziheng)

A child enjoys Tangqiu, or "tanghulu", a traditional Chinese snack of candied fruit, at an annual traditional tanghulu fair in Qingdao, east China's Shandong Province, on Feb. 18, 2019. (Xinhua/Li Ziheng)

Vendors make Tangqiu, or "tanghulu", a traditional Chinese snack of candied fruit, with hawthorns at an annual traditional tanghulu fair in Qingdao, east China's Shandong Province, on Feb. 18, 2019. (Xinhua/Li Ziheng)

A vendor prepares to make Tangqiu, or "tanghulu", a traditional Chinese snack of candied fruit, with hawthorns at an annual traditional tanghulu fair in Qingdao, east China's Shandong Province, on Feb. 18, 2019. (Xinhua/Li Ziheng)

People visit an annual traditional fair of Tangqiu, or "tanghulu", a traditional Chinese snack of candied fruit, in Qingdao, east China's Shandong Province, on Feb. 18, 2019. (Xinhua/Li Ziheng)

A child selects Tangqiu, or "tanghulu", a traditional Chinese snack of candied fruit, at an annual traditional tanghulu fair in Qingdao, east China's Shandong Province, on Feb. 18, 2019. (Xinhua/Li Ziheng)

A vendor makes Tangqiu, or "tanghulu", a traditional Chinese snack of candied fruit, with hawthorns at an annual traditional tanghulu fair in Qingdao, east China's Shandong Province, on Feb. 18, 2019. (Xinhua/Li Ziheng)

People select Tangqiu, or "tanghulu", a traditional Chinese snack of candied fruit, at an annual traditional tanghulu fair in Qingdao, east China's Shandong Province, on Feb. 18, 2019. (Xinhua/Li Ziheng)