Opening your mouth would increase the lighting in the room tenfold . <| sep |> How did you miss the meaning behind all of this ? They had signs , pictures and videos everywhere explaining the deal . Honestly , were your eyes closed the entire time you were there ? They used to sacrifice living soldiers and bury them alive with the emperor when the emperor died , in hopes that the soldiers would protect the emperor in the afterlife . This emperor departed from that practice and instead of living soldiers , he had clay soldiers buried with him , under the belief that they would become alive in the afterlife to protect him . So these clay warriors were buried as part of a funeral for the emperor in effort to protect him in the afterlife .