What kind of job does Shishi have to work at night?

Security. Shishi security guards work at night to prevent thieves and other unknown persons from sneaking in at night, so there are security checks in this area at night. Shishi (ancient part of Jinjiang County, Quanzhou Prefecture) is a county-level city under the jurisdiction of Fujian Province and is managed by Quanzhou City. It has a land area of ??160 square kilometers and an intertidal tidal flat area of ??20.54 square kilometers.