Congrantulate Vietnam! Halong Bay and Son Dong those two eco spots cave was listed in the list of 27 Amazing Natural Wonders in Asia
Halong Bay combine 1,909 islands and inlets jut out of the turquoise waters of Halong Bay in Vietnam. Take one of the overnight cruises offered within the bay and watch the sunset over its tranquil waters.
Son Doong Cave is the biggest cave in the world—it's more than 5.5 miles long and has its own jungle and river. Still, it wasn't even discovered until 1991, or fully explored until 2009.
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