Why did ancient people like to build tombs containing mercury?

To take the Teotihuacán situation first: there isn't any such thing as the Feathered Serpent tomb. There is a Temple of the Feathered Serpent, but it does not contain a tomb or any evidence of burials. read more

In the Feathered Serpent tomb in Teotihuacan, Mexico, and in the Chinese First Emperor's tomb, archaeologists discovered mercury. read more

Gómez speculated that the mercury could be a sign that his team is close to uncovering the first royal tomb ever found in Teotihuacan after decades of excavation – and centuries of mystery surrounding the leadership of the cryptic but well-preserved city. read more