The scale of Japan's cleanup effort after the 2011 Fukushima nuclear accident is mind-boggling. The house-to-house remediation has cost more than $13 billion and involved more than 18,000 workers.
Click and drag your finger left and right on the map below to see the initial contamination vs. the progress of the cleanup around Fukushima:
Contamination measured on April 29, 2011 versus progress of the cleanup around Fukushima, Japan.
Source: Japan's Ministry of the Environment
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