Maya civilisation: Archaeologists find ancient city in jungle

[muriel_volestrangler]

Pottery unearthed at the site appears to indicate it was inhabited between 600 and 800 AD, a period known as Late Classic.
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On that elevated terrain, they found several large buildings, including a number of pyramid-shaped ones measuring more than 15m.
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The cylindrical stone columns which prompted the researchers to name the site Ocomtún were probably entrances to rooms in the upper parts of the buildings, he added.

According to Mr Sprajc the site probably underwent considerable changes between 800 and 1000 AD before falling victim to the collapse of the Lowland Maya civilisation in the 10th Century.

https://www.bbc.co.uk/news/world-latin-america-65974439

That looks like an area surrounded by a wall, or buildings, about 100 metres on each side, at the right - this is quite substantial.