100% certain no one could have survived. among those assumed dead are ten students from japan. but crews are still hoping for more miracles amidst the rubble. a rare success story since monday s devastating quake. a woman rescued after 24 hours in the rubble. relieved firefighters found her in the twisted metal and concrete of her office building. that moment of connection and relief was just palpable. the sun came out at the same moment as they removed dan from that building. the magnitude 6.3 quake monday afternoon killed dozens. turning new zealand eakes second-largest city into a disaster zone. this man s home reduced to rubble. i have to say, it s quite tragic. reporter: the landmarks of this city are shattered. this 19th century christchurch cathedral, before the quake and now. its steeple rubble in the nearby square. this hotel, on the verge of collapse. we ll havto see what happens in the next few hours and see if it does collapse. reporter: senator evan