Complex sentence: Once the show has finished, riders board a'Expedition Vehicle', which departs around a corner into the Flamingo enclosure, at this point the voice over starts, it is the same voice that is heard in the pre-show.
Split into simpler sentences: Once the show has finished, riders board a'Expedition Vehicle', which departs around a corner into the flamingo enclosure. At this point the voice over starts, it is the same voice that is heard in the pre-show.