Cairo business park merging the commercial need with the entertainment facilities ... Dividing the whole mass into 2 masses ,, 1 for office building and the other for the entertainment zone ( Mall and Residential building ) The building Masses Shape a dynamic plaza as a main longitudinal axis direct the person from the work place to the entertainment zone and vice-versa. Office building Concept : dividing the mass of the office net area into 3 buildings... 1. To create a flexible space area , with its core and services.2. Make a good ventilation and natural lighting 3. Not too wide span provide a simple structure and a clean area without annoying columns .Glazing Skin : It goes narrow and wide according to orientation making interesting shadows , avoiding unpreferable sun rays .