An archeologist carries out excavation on a coffin discovered at the Majiayuan site in Lanzhou, northwest China's Gansu Province, Oct. 24, 2023. (Photo: China News Service/Li Yalong) 

Majiayuan site is known as the highest-ranking cemetery dating back to the Warring States Period (475-221 B.C.) in Gansu Province. A total of 78 tombs, 69 chariots and 3,600 sets of cultural relics were discovered at the site.

An ornament is discovered at the Majiayuan site in Lanzhou, northwest China's Gansu Province, Oct. 24, 2023. (Photo: China News Service/Li Yalong)

Archeologists carry out excavation on a coffin discovered at the Majiayuan site in Lanzhou, northwest China's Gansu Province, Oct. 24, 2023. (Photo: China News Service/Li Yalong)

An archeologist carries out excavation on a coffin discovered at the Majiayuan site in Lanzhou, northwest China's Gansu Province, Oct. 24, 2023. (Photo: China News Service/Li Yalong)

An archeologist introduces cultural relics discovered at the Majiayuan site in Lanzhou, northwest China's Gansu Province, Oct. 24, 2023. (Photo: China News Service/Li Yalong)