• Powerful waves crashing into the reef, the famous Mapu'a 'a Vaea blowholes in Tonga
    Provided by: Nana Trongratanawong/Shutterstock.com
  • Mapu'a 'a Vaea Blowholes, Tongatapu, Tonga
    Provided by: Kira Volkov/Shutterstock.com
  • People observing the blowholes
    Provided by: Andy Heyward/Shutterstock.com