【屋顶之上，古今同框】光伏板近在眼前，而布达拉宫就在不远处。这就是西藏：一砖一瓦，一屋一顶，高原正把阳光变成力量——清洁、无声、不息。海拔很高，绿色发展的志向更高。Solar panels up close. Potala Palace in the back. That's Xizang: ancient heritage, future energy. Roof by roof, the region is turning sunlight into power — clean, quiet, unstoppable. High altitude. Higher ambition.