By Alessandro Diviggiano, Xiaoyu Yin and Liz Lee HAIDONG, Qinghai (Reuters) – Braving below-freezing conditions, rescuers pulled to safety victims of an earthquake that rocked a remote area in China’s northwestern Gansu province more than a day ago, while survivors faced months of uncertainty ahead without permanent shelter. The magnitude-6.2 earthquake jolted Jishishan county near the border straddling Gansu and Qinghai provinces a minute before midnight on Monday, sending frightened residents out of homes into the cold in the dead of the night, damaging roads, power and water lines as well a…