British’s Huffingtonpost has just predicted  tourist destinations in the world, where you’ll go on vacation in 20 years, Son Doong cave in Vietnam as one of Top destinations.
According to Hufftingtonpost, trial tours launched last year in Son Doong, the world’s biggest cave will become much more accessible in the coming decades.

son Doong cave
Son Doong Cave

Each tour to Son Doong Cave will last for seven days and six nights at a cost of 3,000 USD. each travel company is permitted to organize four tours per month and each of the tours will include at most eight visitors assisted by tens of tourism workers.

Son Doong Cave’s entrance was first discovered in the Phong Nha Cave – Ke Bang National Park in 2009 by the British Cave Research Association. The cave is 200m high, 150m wide, and around 5km long.

Apart from Son Doong, Top hot destinations are Ferris wheel in Staten (New York); Everest peak in Nepal; underwater city and the world’s biggest mall in Dubai; Koh Rong island in Campuchia; Mail tunnels & Europe’s biggest indoor water park (London, Anh); The Pearl of Dubai; Thrihnukagigur volcano in Iceland; the Wizarding World of Harry Potter in Japan; Sagrada Familia church in spain…