Heavy rains discovered an 800-year-old burial. View the hidden historical treasure there.

Some locals in Mexico discovered strange bones in the ground after a lot of rain.

The grave was found by residents in Morelos after heavy rains, officials in Mexico said. PICZAT Fund-Research and Conservation Project of the El Tlatoani Archaeological Zone, 20

According to a news release from Mexico's National Institute of Anthropology and History on August 28, it proved out to be a grave that was around 800 years old. The grave was discovered in Morelos next to the El Tlatoani Archaeological Zone entrance.

A woman's skeleton and many burial items were discovered during a five-day excavation, according to archaeologists.

Experts said evidence indicate the grave was a domestic burial. PICZAT Fund-Research and Conservation Project of the El Tlatoani Archaeological Zone, 20

Experts believe that the woman was buried with her head facing north and on her right side. Her fingers and toes were flexed, indicating that she had been packaged and wrapped.

The burial dates to sometime between 900 and 1200, according to officials. PICZAT Fund-Research and Conservation Project of the El Tlatoani Archaeological Zone, 20

Associated with the grave, a collection of ceramic fragments was also discovered, according to officials. The grave contained bowls and a figurine that resembled a human being that were dated to the Toltec Period, which lasted from 900 to 1200.

A figurine was found at the burial site, experts said. PICZAT Fund-Research and Conservation Project of the El Tlatoani Archaeological Zone, 20

Archaeologists reported that the woman was buried beneath a home's floors based on evidence found at the location.

According to specialists, they discovered other, older items beneath the tomb. There were discovered several tripod bowls with extended supports that were made between 500 and 150 B.C.

The woman’s extremities were flexed, indicating that she was wrapped before she was buried, archaeologists said. PICZAT Fund-Research and Conservation Project of the El Tlatoani Archaeological Zone, 20

These bowls and other pottery, according to archaeologists, are the earliest items discovered in the area, indicating that earlier peoples once lived there.

About 50 kilometers to the southeast of Mexico City is Morelos.