World’s longest underwater cave system

World's longest underwater cave system discovered in Mexico by divers

Question- In which of the following countries the world’s largest flooded cave has been discovered by a group of divers recently?
(a) Spain
(b) Indonesia
(c) Mexico
(d) China
Answer: (c) 
Related Facts:

  • In January 2018, the world’s longest submerged tunnel was discovered by a group of divers in Mexico.
  • The length of this tunnel is 347 km is.
  • According toScientists, information about the ancient Maya civilization can be gathered in areas surrounding Mexico through this discovery.
  • TheGreat Maya Aquifer Project (GAM) team committed to studying the mysterious waters of Mexico’s Yucatan peninsula spent years exploring the caves of Sac Actun and Dos Ojos in Tulum.
  • The cave system is known as Sac Actun.
  • Initially, the length of this tunnel was measured 263 km, but after connecting Dos Ojos to the series of submerged tunnels located in Tulum, it became about 347 km long.
  • According toscientists, this tunnel is 12 thousand years old.
  • A tomb has been found in this tunnel in which human bones are stored.
  • The discovery will illuminate the stories and rituals of the Mayan civilization prior to be in the possession of Spain.

Reference:
https://www.theguardian.com/world/2018/jan/17/worlds-longest-underwater-cave-system-discovered-mexico-divers-gran-acuifero-maya
https://edition.cnn.com/travel/article/divers-mexico-cave/index.html
http://www.telegraph.co.uk/travel/destinations/central-america/mexico/articles/divers-identify-world-largest-underground-cave-network-in-mexico-yucatan-peninsula/
http://www.dailymail.co.uk/travel/travel_news/article-5278335/Worlds-longest-underwater-cave-discovered-Mexico.html