I slept in the world's largest cave, discovered by accident in 1990 and so big it has its own jungle, river and WEATHER... and could house a 60-storey skyscraper

MailOnline Travel's Laura Sharman travels to Vietnam to explore the largest cave system in the world, which contains caverns that are 655ft tall and 490ft wide.

from Travel News | Top Europe Destinations & Holiday Ideas | Mail Online https://ift.tt/Lo98pgI