The Belgica is surrounded by pack ice and while
able to sail around in some open water, is unable by now to leave
Antarctic waters.
In: "Resultats du Voyage du S. Y. BELGICA en
1897-1898-1899 .... Oceanographie Les Glaces Glace de Mer et Banquises"
par Henryk Arctowski. 1908. P. 55. Plate I.
Picture courtesy NOAA