You can never have enough light in your home is a premise that has been proven numerous times by now. Even when there are huge floor to ceilings windows for a large inflow of natural light, people tend to add artificial light sources.
In this case, the numerous light sources, combined with the overall choice furniture and materials, helps create a cozy, yet modern environment.
While there are many light sources, save for those above the dining table, most of them are subtle and small.
The brick like wall behind the TV, the choice of quality wood for all the furniture elements are two factors that contribute to the coziness of the apartment.
Two underrated elements in the design are the religious elements. Spirituality is on high level here, as proven by the Christ and the picture of the Last Dinner.
As for the artificial light sources, the bathroom is a piece of art, with light sources embedded into the ceiling.