Four days after the attack, the survivors set out just after sunset. They hauled the injured onto the newly made carts made from pieces of wooden crates and solar panels as roofs. The carts held all of their unpacked supplies to conserve space. Men took turns pushing the carts forward across the broken road. The caravan moved slowly as they rolled past the solar towers littering the desert. Ahead, a city rose before them. They angled northward where wind turbines dotted the mountain ...