This futuristic bus shelter is designed to improve air quality in cities | The Optimist Daily

The bus shelter essentially filters air pollution in a city, removing airborne allergens and killing viruses, bacteria and fungi in a matter of seconds.

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Volunteers in Myanmar build a library for orphans out of discarded plastic | The Optimist Daily

Ala. Woman, 94, Receives High School Diploma 79 Years After Dropping Out: 'Better Late Than Never'