Travel Pics Theme: U for Under

The theme letter for our ‪‎travel pics this week is U, for Under. For Tuesday, we go under a karst, in Phang Nga Bay, near Phuket, Thailand. Karsts are large limestone outcrops that dot the waters of Phang Nga and Krai in Thailand, as well al Halong Bay in Vietnam, and many more regions around the world…