Rob and James have finished nearly a week at base camp, where they have been on acclimatisation walks, meeting lots of climbers from other expeditions and preparing themselves for the more intense stage of acclimatisation. Today they left base camp for advanced base camp on the East Rongbuk Glacier, where they will arrive tomorrow. They will then spend nearly two weeks at ABC, first climbing Lhapka Ri and then the North Col (both about 7000m) before returning to base camp. They will spend a night at the North Col also. So far they are acclimatising with no problems, not even the usual headaches, although the next couple of weeks will be crucial in this regard.