Interesting idea by Aqua Sun Marine (ASM) from Japan. You can see the huge LED Fiber optic ends over the aquarium.
Himawari Sunlight System:
http://www.himawari-net.co.jp/e_page04.htm
Sunflower (solar optical system)
12 eye "sunflower" condensing machine (XD - 50S/12AS type)
2 units we have established.
From terrace of apartment sunlight with optical fiber cable
We have transmitted to the tank room.