The Curonian Spit is one of the more prominent geographic features of the southern Baltic Sea. It's a long, thin sandbar which runs for about 100 km (around 60 mi.), separating the Curonian Lagoon from the open Baltic. It's split between Lithuania and the Russian exclave of Kaliningrad. Created between 4-5k years ago, the spit and lagoon have been designated a UNESCO World Heritage site. In this drone video by contributor Fly&Travel, you'll get an excellent aerial view of the famous spit's southern (Kaliningrad) half.