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My Favourite Time of the Day is When the Entire City Turns Blue

The world never looks cooler than when it does during the blue hours of dawn and dusk. Photographer Romain Jacquet Lagreze captured Hong Kong in that brief moment when daylight is just about over but nighttime hasn’t crept in yet. It looks fantastic. The chilly, icy blue makes things glimmer in stillness rather than burn in the overwhelming orange of the sun. Read More >>

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What Sunsets Painted Centuries Ago Reveal About Global Air Pollution

Dramatic sunsets are undeniably gorgeous, but they portend something ominous: millions of fine particles polluting the air. Researchers are now studying sunsets painted over the past 500 years to find clues to how our air got dirtier after the Industrial Revolution. Read More >>