The clouds cascading like a waterfall down the Potohar mountains. This picture in no way does justice to this phenomenon; it was almost mystical. Once one crosses the Chenab and Jhelum rivers, the dry dustiness of Lahore is left behind for the cool clean air of the northern Punjab plain. Islamabad was built in the plain of Potohar, next to Rawalpindi and the Rawal lake. Together they make up a federal district, kind of like DC. Islamabad itself was built at the foot of the Margolas, a range of mountains which extend to the north. Both the Margola and Potohar mountains are Himalayan foot hills.