by Yussel Gonzalez © Agence France-Presse PLAYA DEL CARMEN, Mexico (AFP) — Bulldozers sit idle next to tree stumps along the disputed route of a new Mexican tourist train. Beneath the jungle, environmentalists warn that a magical labyrinth of underground rivers and caves is also under threat. The rail link under construction between popular Caribbean beach resorts and archeological ruins is at the center of a legal battle between authorities and activists. Last month […]