Ele?­vators take you 100 m (328 ft) down to a sub?­ter?­ra?­nean river for a spooky boat ride past gigantic stalactites and stalagmites, formed by the calcite residue and deposits of thousands of years of persistently dripping water.
All boat rides need to avoid areas with stalactites because of the danger surrounding them.
mnli hypothesis: All boat rides need to avoid areas with stalactites because of the danger surrounding them. premise: Ele?­vators take you 100 m (328 ft) down to a sub?­ter?­ra?­nean river for a spooky boat ride past gigantic stalactites and stalagmites, formed by the calcite residue and deposits of thousands of years of persistently dripping water.