He believes he is close to finding the remains of the legendary fleet of Zheng He.

BBC: News - Should shipwrecks be left alone?

The compass was also invented in China, and records exist of how a great fleet was sent under the command of Admiral Zheng He in the early 15th century to show the Chinese imperial flag in the ports of the Indian Ocean and the Persian Gulf, a fleet said to be the largest seen in the world up to that time.

CNN: Building On A Golden Age

Mowbray said he was happy with Zheng Zhi's display on his debut, adding that he believed the China captain would be comfortable with Celtic's style of play.

BBC: Mowbray riled by defensive errors

Lennon has released midfielders Zheng Zhi and Koki Mizuno, but has added defenders Charlie Mulgrew and Cha Du-Ri as he seeks to rebuild the squad.

BBC: Celtic target George Boateng