A dam crisis offers a wake-up call on infrastructure.
People tend not to think much about their roads, dams and bridges until something goes wrong. The latest reminder of that came in the form of massive rains that swelled California's Lake Oroville to record capacity in early February, threatening to breach the 770-ft. walls of the Oroville Dam....
| 发表在: | Time 189, 7-8 (2017 (Feb 27/Mr 6)). |
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| 格式: | 文件 |
| 语言: | English |
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