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Happy International Day of Light 2019

See photos from the global celebration

The International Day of Light comprises coordinated activities on national, regional and international levels.

All month long, SPIE will share photos from these activities on this page and our social media channels. Check back often to see how communities around the world are celebrating light and light-based technologies. 

See the program for the 2019 flagship event happening in Trieste.

Send us your celebration photos to share in the photo gallery.

Share your images on social media and tag #IDL2019

Photos from IDL 2019 Events