Just above the dial center is a small rectangular window, about the same shade as the background, which turns gradually red as evening falls.

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As evening falls, the car-park comes alive.

BBC: NEWS | Programmes | This World | The power of the ring thing

When rates rise to more normal levels, bond prices will drop just as the sun falls in the evening as it plummets toward the horizon as it sets in the west.

FORBES: Bernanke, Buffett, Lappin: Bonds, Gold and Stocks