Rescue work continues at the Hushan gold mine in Qixia, Shandong province, where 22 miners have been trapped underground since Jan 10. (Photos: Xinhua)

A wire is used to send nutritional supplements and other supplies to the trapped miners.

Rescue work continues at the Hushan gold mine in Qixia, Shandong province, where 22 miners have been trapped underground since Jan 10.

Rescuers drill a hole to a depth of more than 500 meters in an attempt to save the workers.

Rescue work continues at the Hushan gold mine in Qixia, Shandong province, where 22 miners have been trapped underground since Jan 10.

Rescuers drill a hole to a depth of more than 500 meters in an attempt to save the workers.

Machinery operates around the clock at the rescue site.

Rescue work continues at the Hushan gold mine in Qixia, Shandong province, where 22 miners have been trapped underground since Jan 10.