I want to build a gymnasium 16 m deep by 6 m wide. The roof of this place is mad

I want to build a gymnasium 16 m deep by 6 m wide. The roof of this place is made of zinc tiles painted black and bamboo sticks that support these tiles, also painted black., On the right side of this room the walls are white and two columns also painted white stand out with mirrors on this one. On the left side there are windows along the wall and this one is painted black. On that side there are also four columns painted blue-green with figures on them., For the floor we have a light brown cloth mat entering the place and on the left side we find a press whose structure is black with black cushions with a blue-green border., Oh, the question is, there is a hack machine whose base structure is black and its upper support is royal blue, black cushions with a blue-green border., Next to this one there is a hacked one whose structure and upholstery are completely black., Then comes a dual extension whose structure and cushioning of the seat and back are black and I grabbed it by the feet is blue-green, Next to this is the crossover which is completely black. Next to the crossover is a multi-function bar dam, its upholstery is black with a blue-green border., In the entire gym there is a flat barbell press for chest work, the cushioning of which is black with a blue border., Now on the right side and next to the flat press we find a multifunctional bench with black cushioning and blue border, then a completely black L-shaped bench, then we have a flat bench and next to that flat bench there is another black L-shaped bench and another multifunctional bench with black cushioning and blue border., These five benches are located in front of a mirror with a dumbbell rack., whose side structures are black and what holds the bars is gray containing a pair of dumbbells of the following weights 2.5 kg 5 kg 7.5 kg 10 kg 12 kg 15 kg 20 kg 25kg 30 kg