In the architecture, light and window is very important. So I do a lot of research in this part. Now I show some in the below pictures.
source: http://www.apartmenttherapy.com/a-gallery-of-weird-and-wonderful-windows-210806?crlt.pid=camp.b4GZcwHZvr4f
Take the window above, turn it on its side, and you get this one, spotted on Plataforma Arquitectura. We can see a little views outside. It allow visitor have a mystical feeling
From the architect. A composition of frames to paint within them using the sun, the shadows of the trees,
source: http://www.archdaily.com/436158/casa-ar-lucio-muniain-et-al/
source: http://www.archdaily.com/276854/international-centre-for-the-arts-jose-de-guimaraes-pitagoras-arquitectos/506374e228ba0d07fd0001d6_international-centre-for-the-arts-jose-de-guimar-es-pitagoras-arquitectos_jose_campos-124-jpg/
In a big space, light is more important. but gallery do not need much light, like the above picture, just a rectangle is fill of light that is very suited.
How to use light in my project
There are some design in my project.
This is a view in the entrance, there is a dark space in the middle. But in the surrounding, there are some nature light come through inside. It allow visitors feel interesting.
Some small windows can see little views outside. As meanwhile, the gallery can got nature light. It makes those space silently.
A triple high space, but few nature light.