Photo taken on Oct. 10, 2018 shows mature rice in a field in Tancheng County of Linyi, east China's Shandong Province. Over 6,667 hectares of rice fields in the county have entered harvest season. (Photo: Xinhua/Fang Dehua)

Combo aerial photo shows farmers plant rice on June 17, 2018 (up) and harvesters reap rice on Oct. 8, 2018 at Tancheng County of Linyi City, east China's Shandong Province. Tancheng witnesses a bumper harvest in the autumn. (Photo: Xinhua/Zhang Chunlei)

Combo photo shows a farmer arranges rice-seedlings on June 15, 2018 (up) and a farmer shows harvested rice on Oct. 5, 2018 at Tancheng County of Linyi City, east China's Shandong Province. Tancheng witnesses a bumper harvest in the autumn. (Photo: Xinhua/Zhang Chunlei)

Combo photo shows farmers plant rice-seedlings on June 21, 2018 (up) and a farmer harvests rice on Oct. 6, 2018 at Tancheng County of Linyi City, east China's Shandong Province. Tancheng witnesses a bumper harvest in the autumn. (Photo: Xinhua/Zhang Chunlei)

Combo photo shows a farmer prepares to plant rice-seedlings on May 24, 2018 (up) and a farmer reaps rice on Oct. 6, 2018 at Tancheng County of Linyi City, east China's Shandong Province. Tancheng witnesses a bumper harvest in the autumn. (Photo: Xinhua/Zhang Chunlei)

Combo photo shows a farmer sprays pesticide in rice paddy field on Aug. 23, 2018 (up) and a framer reaps rice on Oct. 5, 2018 at Tancheng County of Linyi City, east China's Shandong Province. Tancheng witnesses a bumper harvest in the autumn. (Photo: Xinhua/Zhang Chunlei)

Combo photo shows rice paddy on Sept. 27, 2018 (up) and cooked rice on Oct. 9, 2018 at Tancheng County of Linyi City, east China's Shandong Province. Tancheng witnesses a bumper harvest in the autumn. (Photo: Xinhua/Zhang Chunlei)

Combo photo shows rice paddy on Sept. 10, 2018 (up) and cooked rice on Oct. 9, 2018 at Tancheng County of Linyi City, east China's Shandong Province. Tancheng witnesses a bumper harvest in the autumn. (Photo: Xinhua/Zhang Chunlei)

A farmer handles newly-harvested rice in a field in Tancheng County of Linyi, east China's Shandong Province, Oct. 10, 2018. Over 6,667 hectares of rice fields in the county have entered harvest season. (Photo: Xinhua/Fang Dehua)

Aerial photo taken on Oct. 10, 2018 shows harvesters reaping rice in a field in Tancheng County of Linyi, east China's Shandong Province. Over 6,667 hectares of rice fields in the county have entered harvest season. (Photo: Xinhua/Fang Dehua)

Aerial photo taken on Oct. 10, 2018 shows harvesters reaping rice in a field in Tancheng County of Linyi, east China's Shandong Province. Over 6,667 hectares of rice fields in the county have entered harvest season. (Photo: Xinhua/Fang Dehua)