People watch ruins on the outskirts of Amecameca, Mexico, Wednesday, Feb. 8, 2012. (AP)
People camp in protest next to ruins on the outskirts of Amecameca, Mexico, Wednesday, Feb. 8, 2012. Residents set up a protest camp and filed complaints with state and federal officials, demanding a highway under construction be rerouted after pre-Hispanic ruins were detected during works January 2012, hoping that studies of the site can help solve an age-old riddle about their town. (AP)
People camp in protest next to ruins on the outskirts of Amecameca, Mexico, Wednesday, Feb. 8, 2012. (AP)
People watch ruins on the outskirts of Amecameca, Mexico, Wednesday, Feb. 8, 2012. (AP)
People watch ruins on the outskirts of Amecameca, Mexico, Wednesday, Feb. 8, 2012. (AP)