Thousands of panic-stricken people stayed out in the open overnight in the quake-ravaged Sichuan province after a government warning about a strong aftershock, as China struggled to find shelters for some 50 lakh rendered homeless in the worst natural calamity in three decades. The stories of miraculous survivals meanwhile continued to pour in with rescue workers pulling out a 31-year-old man, who spent 179 hours under the rubble of a power plant.