kiev's independence square, site of so much fighting, is now a shrine to the dead. and a symbol to the living. hundreds of protesters still stay here, vowing they'll not leave until they see the change they so recently fought for. ♪ they sing and sleep in tents, trying to stay warm against the cold winter air. there's wood for fire. hot soup cooked in calderons, food is given out for free. vladimir putin obviously is not popular here. no one believes the claims he's making about his actions in crimea. when russia says that russian-speaking people in crimea are under attack, under threat, you say -- >> it is not true. it is not true over ukraine. it's unfair so it's -- >> do you worry?