An icy lake centers the image with mainland to the right and sporadic islands and some smaller inhabited peninsulas to the left. The land is covered in snow. A vertical line of bright white ice is seen south of the lone visible population center.

Spring Shipping in Finland’s Largest Lake

With the help of icebreaking vessels, Saimaa’s icy waters remain navigable for much of the year. View the full story

Credits: NASA Earth Observatory / Michala Garrison