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Why are there blue lights on top of Dallas' streetlights by the Trinity River? Curious Texas sheds some light
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![Empire State Building on Twitter: "Our tower glows blue from dusk to dawn, joining the @Sept11Memorial's 'Tribute in Lights', remembering all those who lost their lives & those affected by the tragic Empire State Building on Twitter: "Our tower glows blue from dusk to dawn, joining the @Sept11Memorial's 'Tribute in Lights', remembering all those who lost their lives & those affected by the tragic](https://pbs.twimg.com/media/Ehpxu-dXgAA1Zf1.jpg:large)
Empire State Building on Twitter: "Our tower glows blue from dusk to dawn, joining the @Sept11Memorial's 'Tribute in Lights', remembering all those who lost their lives & those affected by the tragic
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![Philadelphia's iconic buildings are lit blue to honor those fighting on the front lines of the coronavirus pandemic Philadelphia's iconic buildings are lit blue to honor those fighting on the front lines of the coronavirus pandemic](https://arc-anglerfish-arc2-prod-pmn.s3.amazonaws.com/public/747JFKTUDVG6FOXHXODJEQYEQI.jpg)
Philadelphia's iconic buildings are lit blue to honor those fighting on the front lines of the coronavirus pandemic
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