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An intriguing, anecdotal finding was recently reported by some news outlets that the implementation of blue-colored streetlights has reduced both crime and suicides: Glasgow, Scotland, introduced blue street lighting to improve the city’s landscape in 2000. Afterward, the number of crimes in areas illuminated in blue noticeably decreased. The Nara, Japan, prefectural police set up blue street lights in the prefecture in 2005, and found the number of crimes decreased by about 9 percent in blue-illuminated neighborhoods. Many other areas nationwide have followed suit. Keihin Electric Express Railway Co.
Read More: Can Blue-Colored Light Prevent Suicide?