From San Cristobal and the Chiapas highlands we continued down into the Jungle – to Mosquitos, high humidity and the Yucatan peninsula (with a swimming stop at the Agua Azul cascades).
After a night near Palenque we continued into the state of Campeche for an overnight stop on the right side of the gate to the Calakmul ruin site. Sunset was spent watching millions of bats descending from a dry cenote in the jungle near Calakmul.

The next day we had an early start to watch the sun rise over the jungle from top of a ruin at the Calakmul ruin site.