National Geographic Travelさんのインスタグラム写真 - (National Geographic TravelInstagram)「Photo by @daisygilardini | Traveling to Svalbard in early spring is cold, but it also gives you unique opportunities. The best time to visit glacier caves is during winter or early spring, when the ice melt slows because of the colder temperatures. The caves’ structures are more stable as a result. Glacial caves form inside the ice of a glacier and are shaped and carved by streams of meltwater. They often have scalloped, translucent walls that reflect blue light. Follow me @DaisyGilardini for more images and stories behind the scenes. #cave #ice #glaciercave #svalbard #Norway」12月30日 14時09分