The mysterious 'Mayan world' inside the world's largest underground cave

Immediately after discovering the largest system of Sac Actun underground cave in Mexico, archaeologists discovered more secrets here.

In January 2018, researchers of the Gran Acuifero Maya (GAM) Aquifer Discovery Project have discovered the world's largest underground cave system called Sac Actun in the Yucatán Peninsula (Mexico). Sac Actun cave system is 346 km long.

At 346km, Sac Actun is the world's largest flooded cave.(Photo: Reuters).

"The world's largest cave discovered at Yucatán is an important submerged archaeological site in the world. Through initial consideration, this place contains evidence of the first settlers in the Americas, as well as many extinct animals, and of course archaeological evidence of ancient Mayan culture, " said explorer Guillermo de Anda, of National Geographic, GAM project director.

Ancient ruins under the world's largest underground cave

A month after the discovery of the world's largest underground cave system in the Yucatán Peninsula, researchers are constantly searching and discovering deep inside caves that are a lot of expensive archaeological evidence.

So far, archaeologists have found about 200 archaeological sites, of which 140 archaeological sites belong to the ancient Mayan people.

Specifically, the researchers found fossils dating back to 15,000 years of giant lazy species, mastodons, bears as well as statues of war gods and many other gods in the Mayan culture.

The underwater archaeological site contains many bones of mysterious people.(Photo: INAH).

In addition, the dive team also discovered more than 120 archaeological sites, containing mysterious ceramic human bones, and cave walls, some of which are dated to 12,000 years.

The explorer Guillermo de Anda said the team also discovered a 9,000-year-old skull, found in limestone quarries. Scientists believe that this skull belonged to the Pleistocene.

Scientists believe that this skull belonged to the Pleistocene.

"Impressive! Archeologists around the world have a history of decades of deep cave exploration, however, the archaeological finds in the world's largest flooded cave are really memorable. Not only hidden in large archaeological sites, the level of preservation of artifacts in this country is still very impressive , 'added Guillermo de Anda.

So far, archaeologists continue to explore the mysterious " world " under this water. They hope to learn many things in the past, including Mayan culture and extinct animals many years ago.

Some pictures of Sac Actun cave: