Yunnan layers the Naxi old town of Lijiang below Jade Dragon Snow Mountain, the Tibetan plateau city of Shangri-La, the Tiger Leaping Gorge along the Yangtze, and the Yuanyang Hani rice terraces dropping 2,000m to the Red River.
Spring with Yuanyang rice terraces filled with mirror-like water before transplanting, Lijiang at peak photographic conditions, and rhododendrons blooming.
Autumn with Tiger Leaping Gorge trekking at peak, Yuanyang harvest turning gold, and Shangri-La's Songzanlin Monastery accessible without snow.
Wet season with afternoon storms, Yuanyang terraces at peak rice greenery, and Lijiang's altitude (2,400m) keeping it pleasantly cool through summer.
Cool dry winter with Shangri-La snow-covered, Lijiang Naxi New Year celebrations, and Yuanyang's terraces at their most photogenic with mist over flooded paddies.