A fisherman sails back after a day's work on the sea at Changhai County in Dalian, northeast China's Liaoning Province, July 8, 2019. Fishermen here are busy collecting scallops and fish as the harvest season comes recently. (Photo: Xinhua)

Fishermen work on an aquafarm at Changhai County in Dalian, northeast China's Liaoning Province, July 8, 2019. Fishermen here are busy collecting scallops and fish as the harvest season comes recently. (Photo: Xinhua)

Fishermen work on an aquafarm at Changhai County in Dalian, northeast China's Liaoning Province, July 8, 2019. Fishermen here are busy collecting scallops and fish as the harvest season comes recently. (Photo: Xinhua)

Fishermen work on an aquafarm at Changhai County in Dalian, northeast China's Liaoning Province, July 8, 2019. Fishermen here are busy collecting scallops and fish as the harvest season comes recently. (Photo: Xinhua)

Fishermen work on an aquafarm at Changhai County in Dalian, northeast China's Liaoning Province, July 8, 2019. Fishermen here are busy collecting scallops and fish as the harvest season comes recently.(Photo: Xinhua)

Fishermen work on an aquafarm at Changhai County in Dalian, northeast China's Liaoning Province, July 8, 2019. Fishermen here are busy collecting scallops and fish as the harvest season comes recently.(Photo: Xinhua)

Fishermen sail back after a day's work on the sea at Changhai County in Dalian, northeast China's Liaoning Province, July 8, 2019. Fishermen here are busy collecting scallops and fish as the harvest season comes recently.(Photo: Xinhua)

A fisherman sorts harvested fish on an aquafarm at Changhai County in Dalian, northeast China's Liaoning Province, July 8, 2019. Fishermen here are busy collecting scallops and fish as the harvest season comes recently. (Photo: Xinhua)

Fishermen harvest scallops on an aquafarm at Changhai County in Dalian, northeast China's Liaoning Province, July 8, 2019. Fishermen here are busy collecting scallops and fish as the harvest season comes recently.(Photo: Xinhua)

Fishermen sort harvested fish on an aquafarm at Changhai County in Dalian, northeast China's Liaoning Province, July 8, 2019. Fishermen here are busy collecting scallops and fish as the harvest season comes recently. (Photo: Xinhua)