pretty heady stuff: http://www.lemonde.fr/ameriques/art...-maya-decouverte-au-mexique_3433008_3222.html there have been many such sites discovered by this technology but i believe this is the most important so far. when stevens went in to find great sites we all know of today, many thought the indian stories about them were only that, but after he proved the skptics wrong his next thought was to wonder how many other cities were out there that no one, not even the indians, knew about.
I take your Mayan city and raise you a Khmer city found using lasers in Cambodia. http://news.sky.com/story/1105062/cambodia-lost-ancient-city-found-in-jungle