Lost City In South Africa Revealed In Further Detail Using Laser Technology

Billions of lasers directed at the ground in South Africa’s Suikerbosrand Nature Reserve have revealed a once thriving city lost to the centuries. The metropolis, known as Kweneng, is overgrown with scrubby vegetation from years of disuse, but in its prime it comprised around 800 homesteads and over 10,000 people.

The city was at its peak between the 15th and 19th century, before civil wars led to its destruction and abandonment. Scientists have known about Kweneng since the 1960s, but the landscape was too thick with vegetation for proper examination. The research was first reported on months ago, but more details have come to light since then.

Professor Karim Sadr of the University of the Witwatersrand and his team decided to harness a relatively recent form of laser technology called LiDAR to achieve a more comprehensive look. This tech converts billions of laser pulses beamed at the ground into a high-resolution image by calculating the time it took for the lasers to reflect back to the sensor. This provides scientists with a 3D map of the topographical landscape hidden beneath the bramble and brush.

“A resilient myth is this land was empty when the first Europeans arrived in the 1830s and so they had the right to claim it as their own,” said Karim Sadr to IFLScience. “This is of course nonsense and is disproven by a great deal of historical and archaeological knowledge. But alas, that knowledge does not seem to filter to the general public via school history lessons. This is lamentable, but the current exposure given to Kweneng by the media may go a little way to help resolve this matter.”

The city once covered 20 square kilometers (7.8 square miles), transforming what the researchers thought was a rather modest gathering of stone huts into a much larger hub of activity. The metropolis was occupied by the Tswana, a group who still live in Botswana, South Africa, and nearby regions today.

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“Judging by contemporary Tswana capitals of kingdoms farther west, which were visited by European travelers in the first quarter of the 1800s, Kweneng would have been the capital of a city state, with a territory that may have stretched a few dozen or more kilometers around it,” said Sadr. “The ruler was a king and the royal family would have constituted the noble class and the core of the Kingdom. The king had absolute power, but the population could always vote with their feet and leave to join other kingdoms if they were unhappy with the royalty.”

The second tier would have been commoners who joined the polity building up around the royal family and the third would have been foreigners or recent immigrants. The fourth, Sadr notes, would have been prisoners of war and people of neighboring hunting and gathering societies. These individuals would have been kept as serfs and servants. 

“At Kweneng we can tell from the architectural features that the central sector was probably the royal section of the city and that the northern sector was relatively less wealthy. This may be because it is an older part of town or because it was inhabited by more recent immigrants. The Tswana capitals were composed of districts and wards which were administered by headmen, appointed by the King. The headmen were usually members of the royal class, or talented commoners who were being elevated by the King.”

The study in itself is a good use case for how far laser scanning technology has come in archaeology. Sadr added: “Perhaps one day the South African public, and others beyond its borders, will begin to appreciate the wealth of African history that is all around us here, and that everyone can be very proud of.”

[H/T: Africa News]

Original Article : HERE ; This post was curated & posted using : RealSpecific

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