National Geographic Travelさんのインスタグラム写真 - (National Geographic TravelInstagram)「Photo by @acacia.johnson | West Greenland's Ilulissat Icefjord is home to the most productive glacier in the Northern Hemisphere, flowing 65-115 feet per day and generating 20 billion tons of icebergs per year. It is believed that the iceberg that sank the Titanic likely originated here! Visitors to Ilulissat can enjoy an extensive network of boardwalks and hiking trails along an ever-changing landscape of ice – listening to the constant rumble of calving icebergs. Follow me at @acacia.johnson for more stories from the Arctic and beyond. #greenland #arctic #glaciers #ilulissat #visitgreenland」3月20日 13時01分