Wow, this is a stunning lighting installation. Well done!

There are recessed LED lights from Pure Lighting called TruLine that could be used to achieve an effect like this in drywall. You can see sample installations of TruLine below.

TruLine .5 by Pure Lighting: http://lightology.com/index.php?module=prod_detail&prod_id=110835

TruLine 1.6 by Pure Lighting: http://lightology.com/index.php?module=prod_detail&prod_id=110849

If you have any questions or want more information about TruLine or other linear recessed lights or surface mount lights you can call us at (866) 954-4489. Our lighting consultants are experts and available Mon-Sat. Hope this helps!

This installation is a poured in place concrete wall with solid 3/4" plexiglass inserts through the full 8" thickness of the wall. It was a complex and challenging pour and involved careful planning and layout. The architects had the idea and we worked to devise a way to get it done. At night the powder room lights this beautiful pattern out to the bridge of the entry walk and in the day the room is backlit in this beautiful pattern -