Footage has emerged from China of four ancient royal 'limousines' being excavated in a funerary pit in tomb of Lords of Zheng State, a vassal state during the Spring and Autumn Period and the Warring States period.<br /><br />The video, captured in Zhengzhou City in Henan Province on October 25, shows an archaeologist using a brush to clean the more than 2400-year-old relic carefully. <br /><br />At least 90 horses and four chariots were found buried in the tomb.<br /><br />The leader of Henan Provincial Institute of Cultural Heritage and Archaeology Ma Juncai said 'The chariot is the largest and most extravagant one so far in the excavation site'.