*THUD*
You landing is less than graceful, but at least the ground is soft. A small garden of grass and flowering plants cushion your fall. Cloying heat and humidity hangs heavy in the air as you attempt to get your bearings.
Your seem to be in an open-air temple, surrounded by a ring of stone arches. Only one section of the ring is solid. Here, the arch is inscribed wwth elaborate runes, glowing faintly with green light. The area within the arch is filled with swirling lights similar to those in the tunnel that you fell through, but those lights are already fading away, and soon there is nothing there except for blank stone. Beyond the open archways elsewhere sprawls a verdant expanse of tropical jungle.
Belatedly, you realize you are not alone. There are four of you in the ring of stones, and some of you look and feel very strange indeed...