However , no peace treaty was ever signed Sign_agreement , and the two Koreas are technically still at war Hostile_encounter , engaged Participation in a frozen conflict Hostile_encounter .

This state of stalemate led to Causation the war being labelled Labeling a `` frozen conflict Hostile_encounter '' ; the area stayed Temporary_stay a war zone , with dozens of soldiers and civilians killed Killing each month .

After marching Self_motion his army to the west and making a dangerous crossing Motion_directional of the frozen straits in the winter of 1657/58 , he surprised Change_sentiment the unprepared Frederick III on the Danish isles and forced him into surrender Surrendering .

He entered Arriving Russia by crossing Motion_directional the frozen Vistula River at the head of 40,000 men , approximately half of them cavalry .

Stephen then almost seized Matilda in 1142 during the Siege of Oxford , but the Empress escaped Escaping from Oxford Castle across the frozen River Thames to safety .

The invaders captured Conquering Sandomierz on 13 February 1241 , after crossing Motion_directional the frozen Vistula .

The plant 's operator has since built Building new walls along the coast and also created Creating a 1.5-kilometer-long `` ice wall '' of frozen earth to stop the flow of contaminated water .

A railroad was swiftly built Building through the corridor which allowed Preventing_or_letting more supplies to reach the city than the Road of Life across the frozen surface of Lake Ladoga , significantly reducing Cause_change_of_position_on_a_scale the possibility of the capture of the city and any German–Finnish linkup .