Salt field enters autumn harvest season in N China's Tianjin

Aerial photo taken on Sept. 14, 2022 shows machines working at the Changlu Hangu salt field, one of China's oldest coastal salt fields, in north China's Tianjin.

Autumn harvest has recently started at the salt field and is expected to last until late October. (Xinhua/Zhao Zishuo)

Aerial photo taken on Sept. 14, 2022 shows the Changlu Hangu salt field, one of China's oldest coastal salt fields, in north China's Tianjin.

Autumn harvest has recently started at the salt field and is expected to last until late October. (Xinhua/Zhao Zishuo)

Aerial photo taken on Sept. 14, 2022 shows machines working at the Changlu Hangu salt field, one of China's oldest coastal salt fields, in north China's Tianjin.

Autumn harvest has recently started at the salt field and is expected to last until late October. (Xinhua/Zhao Zishuo)

Machines work in a salt pond in the Changlu Hangu salt field, one of China's oldest coastal salt fields, in north China's Tianjin, Sept. 14, 2022.

Autumn harvest has recently started at the salt field and is expected to last until late October. (Xinhua/Zhao Zishuo)

A machine works in a salt pond in the Changlu Hangu salt field, one of China's oldest coastal salt fields, in north China's Tianjin, Sept. 14, 2022.

Autumn harvest has recently started at the salt field and is expected to last until late October. (Xinhua/Zhao Zishuo)

A worker works on a stack of salt in the Changlu Hangu salt field, one of China's oldest coastal salt fields, in north China's Tianjin, Sept. 14, 2022.

Autumn harvest has recently started at the salt field and is expected to last until late October. (Xinhua/Zhao Zishuo)

Aerial photo taken on Sept. 14, 2022 shows stacks of salt at the Changlu Hangu salt field, one of China's oldest coastal salt fields, in north China's Tianjin.

Autumn harvest has recently started at the salt field and is expected to last until late October. (Xinhua/Zhao Zishuo)