Photographer records video of Vietnam 's Hang Son Doong cave using a drone to capture its colossal size . The travellers in the cave appear as specks within the huge landscape dominated by jungle and rocky outcrops . A team from the University of Oxford has discovered that the largest known dinosaur footprints ever found are actually made up of tiny fragments of bone.
Photographer records video of Vietnam 's Hang Son Doong cave using a drone to capture its colossal size . The travellers in the cave appear as specks within the huge landscape dominated by jungle and rocky outcrops . Hang Son Doong contains jungle-like vegetation , water and sheer cliffs and is the largest cave in the world .