Fortresses, farmlands of the Maya emerge from massive LiDAR survey
Today's maps found on the interwebs. 
A recent aerial survey revealed thousands of ancient Maya structures previously hidden beneath the dense Guatemalan jungle, including houses, irrigation canals, fortifications, and even a pyramid.
Found at https://arstechnica.com/science/2018/02/lasers-shed-some-light-on-the-maya-snake-kingdom/
