Creating them in quantities that can be seen from far away requires extreme conditions.
The trade-off is that new water tends to be of lower quality (requiring more expensive purification) or far away (requiring more expensive transport).
Clegg's talk of rebuilding the economy on the lines of John Lewis – a capitalist who gave his capital away – requires quite a leap of faith.
Procedures at Sokhna Diarra, a salon specializing in African styling on Flatbush Avenue about 20 minutes away, require a longer commitment -- sometimes much longer.
The predawn ritual of getting him, with his brother, to the bus stops a block away requires planning and some trickery.
And the very process of giving power away requires civil servants to have certain skills, such as contracting with private and voluntary providers.
Keeping the Americans half an ocean away requires the capability for long-range precision strikes — which, in turn, require the satellite reconnaissance, cyber warfare, encrypted communications and computer networks in which China has invested nearly $100 billion over the last decade.
Yet its entrance is an uninspiring parking lot and ugly ticketing building, and the portal to the actual exhibits is 270 yards away, requiring a hike up a hill, often in the blistering sun.
The bridge across the Shang that lay between us and our first campsite had been washed away, requiring a detour to reach a ford - a knee-deep plunge in icy water, our boots tied together and draped over our necks.
