Answer:
Building better roads
Explanation:
The innovation and retaking of the ancient routes that the Mayan civilization made is now a key factor leading economic investments in the region of Yucatan.
The building of a modern road system is the focus of economic development needed for the tourism and integrating the region.
Today's Mexican goverment strongly supports the creation iof the "maya train", which would present one of the greatest investments in the South of Mexico that promises to attract foreign investments in the region and also a wave of new tourism and economic boost. See below :)
