A farmer piles up apples in Gangdi Village of Neiqiu County, north China's Hebei Province, Nov. 1, 2017. As the harvest season comes, orchardists here are busy with harvesting apples on their orchards, which covers an area of 3,500 mu (about 233 hectares). (Xinhua/Zhu Xudong)

A farmer collects apples in Gangdi Village of Neiqiu County, north China's Hebei Province, Nov. 1, 2017. As the harvest season comes, orchardists here are busy with harvesting apples on their orchards, which covers an area of 3,500 mu (about 233 hectares). (Xinhua/Zhu Xudong)

A farmer piles up apples in Gangdi Village of Neiqiu County, north China's Hebei Province, Nov. 1, 2017. As the harvest season comes, orchardists here are busy with harvesting apples on their orchards, which covers an area of 3,500 mu (about 233 hectares). (Xinhua/Zhu Xudong)

A farmer collects apples in Gangdi Village of Neiqiu County, north China's Hebei Province, Nov. 1, 2017. As the harvest season comes, orchardists here are busy with harvesting apples on their orchards, which covers an area of 3,500 mu (about 233 hectares). (Xinhua/Zhu Xudong)