Lao marble tub tank array of mystery

In the primitive society, there is no modern tool, the ancients is how to make such a successful Marble tub of it? Approached the barrel of the barrel to observe, I found in some of the inner wall of the barrel, vaguely see some traces of artificial chisel, but so far, the local only to find a few may be hunting with a knife, with them anyway Can not make the barrel of the barrel?

Lao's drums are world-famous, with large and small stone-like stone tools, so far it is difficult to say its origin and use.

The Marble tub array is located in Laos Fengshawang City around, a total of more than 3,000 different sizes of the barrels, of which some high 3 meters, weighing 6 tons. Currently available for visiting and research of the stone barrel array has three, from the city more than ten kilometers to 30 kilometers, the number of bulbs 90 to 250 range. These different shapes of the barrel or stand or lying on the plains, with a thick wall, the number of different shapes. Marble tub are left with the cover with the notch, round, the small part of the square bar. Stone barrels have rounded and well-covered, different sizes. The stone used to build the concrete is granite, marble, sandstone or limestone, and the earth does not produce these stones. How many tons of stone from where the transport came, is still a mystery.

In the primitive society, there is no modern tool, the ancients is how to make such a successful production of it? Approached the barrel of the barrel to observe, I found in some of the inner wall of the barrel, vaguely see some traces of artificial chisel, but so far, the local only to find a few may be hunting with a knife, with them anyway Can not make the barrel of the barrel?

According to the scientific research, these pits are built in the field after the transport. Archaeologists are most concerned about is why these towers built? There is a saying is used to do the sarcophagus. Chuan Min Province was the ancient battlefield, may be used by the king to store the body of the soldiers. However, around the barrel can not find any bones remnants, so that this hypothesis is difficult to stand feet. Second, the "said the wine said:" 

These are the ancient kings used to install the soldiers reward wine, but really need to build giant stone barrels of wine? What kind of battles do you need so much wine? Third, "water said": the ancient man-made anti-drought and the construction of giant water storage containers. According to the ruins of No. 1, there is a stone cap on one of the barrels, as if it were the lid of the water storage container, but there was no tribe living there.

Today, more than 3,000 Marble tub unexpectedly stood there lying in the wilderness. Laos of the barrel of the plains and the British Stonehenge, Chile Easter Island on the island of stone and the South American stone circle and known as the "world four stone mystery", and recently included in the United Nations World Heritage List.