The sun sets, but in nature's eternal optimism, it will rise again for a new day tomorrow. May we all - our leaders and all of us citizens - seize the dawn and lean into the optimism of tomorrow, with ethics and true leadership.

Depression can be like a fog, thick and heavy, obscuring all but the brightest of lights. But, with effort, we can begin to cut through it and see the light of dawn.

While it's always hard to be away, it's always good to be back.

Of all sides of Everest - the south from Nepal, the north from Tibet, and the east, also from Tibet - it is the eastern approach via the Kama and Kangshung Valleys, which are the most stunning.