LIAOCHENG(SHANDONG), Jan. 29, 2016 (Xinhua) -- Villager Yuan Xiaorong makes traditional steamed jujube bread in Ditouyuan Village of Chiping County in Liaocheng City, east China's Shandong Province, Jan. 28, 2016. Steamed bun with colorful patterns is a traditional staple food during the Spring Festival in Shandong. (Xinhua/Zhao Yuguo)

LIAOCHENG(SHANDONG), Jan. 29, 2016 (Xinhua) -- A customer picks traditional steamed jujube bread in Ditouyuan Village of Chiping County in Liaocheng City, east China's Shandong Province, Jan. 28, 2016. Steamed bun with colorful patterns is a traditional staple food during the Spring Festival in Shandong. (Xinhua/Zhao Yuguo)

LIAOCHENG(SHANDONG), Jan. 29, 2016 (Xinhua) -- Villager Yuan Xiaorong makes traditional steamed jujube bread in Ditouyuan Village of Chiping County in Liaocheng City, east China's Shandong Province, Jan. 28, 2016. Steamed bun with colorful patterns is a traditional staple food during the Spring Festival in Shandong. (Xinhua/Zhao Yuguo)

LIAOCHENG(SHANDONG), Jan. 29, 2016 (Xinhua) -- Villager Yuan Xiaorong makes traditional steamed jujube bread in Ditouyuan Village of Chiping County in Liaocheng City, east China's Shandong Province, Jan. 28, 2016. Steamed bun with colorful patterns is a traditional staple food during the Spring Festival in Shandong. (Xinhua/Zhao Yuguo)

LIAOCHENG(SHANDONG), Jan. 29, 2016 (Xinhua) -- A customer takes selfies with traditional steamed jujube bread in Ditouyuan Village of Chiping County in Liaocheng City, east China's Shandong Province, Jan. 28, 2016. Steamed bun with colorful patterns is a traditional staple food during the Spring Festival in Shandong. (Xinhua/Zhao Yuguo)

LIAOCHENG(SHANDONG), Jan. 29, 2016 (Xinhua) -- Villager Yuan Xiaorong makes traditional steamed jujube bread in Ditouyuan Village of Chiping County in Liaocheng City, east China's Shandong Province, Jan. 28, 2016. Steamed bun with colorful patterns is a traditional staple food during the Spring Festival in Shandong. (Xinhua/Zhao Yuguo)

LIAOCHENG(SHANDONG), Jan. 29, 2016 (Xinhua) -- A customer smiles as she buys some traditional steamed jujube bread from Yuan Xiaorong's cake shop in Ditouyuan Village of Chiping County in Liaocheng City, east China's Shandong Province, Jan. 28, 2016. Steamed bun with colorful patterns is a traditional staple food during the Spring Festival in Shandong. (Xinhua/Zhao Yuguo)

LIAOCHENG(SHANDONG), Jan. 29, 2016 (Xinhua) -- Villager Yuan Xiaorong makes traditional steamed jujube bread in Ditouyuan Village of Chiping County in Liaocheng City, east China's Shandong Province, Jan. 28, 2016. Steamed bun with colorful patterns is a traditional staple food during the Spring Festival in Shandong. (Xinhua/Zhao Yuguo)