Yang Chen with her rescuers, five days after losing her way walking in the Gold Coast hinterland. A Chinese student who survived in flooded and dense Gold Coast bushland for five days used an empty milk bottle to get by. Yang Chen went missing on Wednesday while walking with a friend in the Tallebudgera Valley and was found by water police near Gorge Falls on Monday morning. She spent the next five nights sheltering in caves. Sergeant Mitch Gray from Gold Coast Water Police said Ms Chen was able to keep her hydration up during her ordeal by filling a discarded two litre milk carton each day. Sergeant Gray said police were getting increasingly concerned, especially with creeks in the region flooding. "As these things start getting into the last day you start getting worried," he said. "You can train a lot to plan for these things but there is an element of luck and a will to live." The 26-year-old Bond University student and her friend became separated tyring to climb over boulders. […]