Winter at the Polish-Slovakian. Above the snow layer only forests and buildings are seen, significantly contrasting with white background. Roads leading to Zakopane are easily seen. Image of ETM+ sensor, Landsat 7 satellite, November 29, 1999. Click the image to enlarge.

Snow-covered part of the Carpathians and the Sandomierz Basin on the Christmas Eve of 1999. Image of ETM+ sensor, Landsat 7 satellite. Click the image to enlarge.

White stripes on the Earth's surface after the snow showers in mid-February 2002. Image of ETM+ sensor, Landsat 7 satellite. Click the image to enlarge.

Snow-covered central part of the Vistula river valley (Poland). Image of ETM+ sensor, Landsat 7 satellite, February 28, 2001. Click the image to enlarge.

Ice floe in the Szczecin Lagoon, as seen by the ETM+ sensor of Landsat 7 satellite in mid-February, 2003. Click the image to enlarge.

Snow-covered estuary of Vistula river and Vistula Lagoon (note the ice floe transported by the river into Baltic Sea). Image of ETM+ sensor, Landsat 7 satellite, February 16, 2003. Click the image to enlarge.

Snowy landscape of Warsaw on January 8, 2003. Panchromatic image of ALI sensor on-board EO-1 satellite. Click the image to enlarge.

Boundary of the snow cover coincided with the course of the administrative boundary between Poland and Ukraine. Snow-free vegetated areas are in red. Image of ETM+ sensor, Landsat 7 satellite, February 19, 2000. Click the image to enlarge.