| 1 | The 19th century was the heyday of steam railways. | |
| 2 | At the height of the Cold War, for example, scientific organisations provided a conduit for discussing nuclear weapons control. | |
| 3 | But health care for all was, even in the heyday of the Great Society, a step too far. | |
| 4 | At its peak, the grounds of the Imperial Palace in Tokyo had a greater theoretical value than the entire state of California. | |
| 5 | And did the ancient Maya - whose empire peaked between A.D. 250 and 900 in what is now Mexico and Central America - really predict the end of the world in 2012? |
Copyright © Purple Culture Co., Ltd. 2001 - 2026. All right reserved.
