In Hotan, Xinjiang, at the edge of the vast Taklimakan Desert, last year's roses have taken root as a new planting season begins. Meanwhile, in Bayingolin Mongolian Autonomous Prefecture, on the arid southeastern fringe of the desert, the impossible has become reality - seafood farming in the desert. Follow our reporters as we uncover the secrets behind turning sand into gold and explore the "seafood miracle" of fish farming in the desert.