The Great Zaire (Congo) River Expedition 50th Anniversary
An evening of celebration to mark the 50th Anniversary of the SES and John Blashford-Snell's Zaire (now Congo) River Expedition 1974 Date and Time: Tue, 12 Nov 2024 18:30 - 21:00 GMT Location: The Royal Geographical Society (with IBG) 1 Kensington Gore London SW7 2AR United Kingdom A huge Maya city has been discovered centuries after it disappeared under jungle canopy in Mexico. Archaeologists found pyramids, sports fields, causeways connecting districts and amphitheatres in the southeastern state of Campeche.
They uncovered the hidden complex -www.bbc.co.uk/news/av/world-africa-45836912 which they have called Valeriana - using Lidar, a type of laser survey that maps structures buried under vegetation. They believe it is second in density only to Calakmul, thought to be the largest Maya site in ancient Latin America. The team discovered three sites in total, in a survey area the size of Scotland's capital Edinburgh, “by accident” when one archaeologist browsed data on the internet. “I was on something like page 16 of Google search and found a laser survey done by a Mexican organisation for environmental monitoring,” explains Luke Auld-Thomas, a PhD student at Tulane university in the US. |
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