National Geographic Travelさんのインスタグラム写真 - (National Geographic TravelInstagram)「Photo by @carltonward // sponsored by @VISITFLORIDA // Northwest Florida is said to have the highest density of freshwater springs in the world. Pristine mineral water flows up from the underground aquifer at a constant temperature of nearly 70 degrees Fahrenheit year-round. During summer, the relatively cool water is perfect for a refreshing swim. During winter, the relatively warm water provides refuge to manatees that migrate upstream from colder Gulf waters. Many of the springs are protected as parks for people and wildlife. If you visit Manatee Springs State Park in the winter, you have a chance to see one of the namesake mammals in the clear waters of the headspring, either by snorkeling or from a boardwalk above that follows the spring shed to its confluence with the Suwannee River. // @VISITFLORIDA and explore 175 State Parks, hundreds of freshwater springs, infinite mangrove tunnels, and hidden caverns. Let your adventure begin. #LoveFL」4月17日 7時01分