PALAWAN PROVINCE, Feb. 18, 2016 (Xinhua) -- Vacationers take kayaks to tour around limestone formations in Palawan Province, the Philippines, Feb. 18, 2016. Tourism revenues are expected to reach 6.5 billion U.S. dollars from the arrivals of six million foreign visitors in 2016 according to the Philippine Department of Tourism. (Xinhua/Rouelle Umali)
