After crossing border stayed in a Puso hotel, just below the Pasu glacier, which was just 500m behind hotel, but impenetrable thicket stopped getting close. This would be real high mountains, black & very steep, if anything trasformation from bare mountain to scrub then cultivation that changes as U drop dow valley. Initially a sharp V, with no flat ground to a more gentle V where sides are cultivated, finally big U shape. As always water makes the ground flourish, the Pakistani people have to work hard on irrigation canals. Karakuram highway is near perfect road, but little traffic, not sure lack of wealth or fuel, with the Attabad lake blocking road, all goods must either travel from China or be lifted on/off boats, so bulk fuel would be tough. Do see 150cc bikes nearly always
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