Archaeologists have discovered a series of lost cities in the Amazon rainforest that housed at least 10,000 people about 2,000 years ago. This discovery, located near the Andes in the Ecuadorian Amazon, was made possible thanks to advanced LIDAR technology.
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Will LIDAR help my satnav find the lost centre of Milton Keynes?
Sadly they haven't found anything.
https://www.cbc.ca/news/canada/ottawa/demand-growing-for-cadaver-dogs-to-assist-in-searches-at-former-residential-schools-1.7399663
Nothing yet. Crossing my fingers.