A shading system for covering an underlying space , said shading system comprising: - a housing extending along a longitudinal housing direction ; - a plurality of shading blades arranged one after the other along said longitudinal housing direction , each of said shading blades extending along a longitudinal blade direction traverse to said longitudinal housing direction ; said shading blades being movable between a closed position thereby covering said underlying space , and at least one open position ; - a coupling system arranged between said housing and said plurality of shading blades , wherein said coupling system comprises: ∘ a first rail comprising a first longitudinal axis along said longitudinal housing direction configured to translate along said longitudinal housing direction ; ∘ a second rail comprising a second longitudinal axis along said longitudinal housing direction ; ∘ wherein each of said shading blades is rotatably coupled to said first rail at a first coupling point and rotatably coupled to said second rail at a second coupling point ; and ∘ a coupling element rotatably coupled to said housing and rotatably coupled to said second rail ; - an actuator configured to translate said first rail along said longitudinal housing direction ; whereby said coupling element limits a translation of said second rail along said longitudinal housing direction , thereby rotating said shading blades between said closed position and said at least one open position ; and - a rain gutter extending along said longitudinal housing direction and arranged below said plurality of shading blades . - a housing extending along a longitudinal housing direction ; - a plurality of shading blades arranged one after the other along said longitudinal housing direction , each of said shading blades extending along a longitudinal blade direction traverse to said longitudinal housing direction ; said shading blades being movable between a closed position thereby covering said underlying space , and at least one open position ; - a coupling system arranged between said housing and said plurality of shading blades , wherein said coupling system comprises: ∘ a first rail comprising a first longitudinal axis along said longitudinal housing direction configured to translate along said longitudinal housing direction ; ∘ a second rail comprising a second longitudinal axis along said longitudinal housing direction ; ∘ wherein each of said shading blades is rotatably coupled to said first rail at a first coupling point and rotatably coupled to said second rail at a second coupling point ; and ∘ a coupling element rotatably coupled to said housing and rotatably coupled to said second rail ; ∘ a first rail comprising a first longitudinal axis along said longitudinal housing direction configured to translate along said longitudinal housing direction ; ∘ a second rail comprising a second longitudinal axis along said longitudinal housing direction ; ∘ wherein each of said shading blades is rotatably coupled to said first rail at a first coupling point and rotatably coupled to said second rail at a second coupling point ; and ∘ a coupling element rotatably coupled to said housing and rotatably coupled to said second rail ; - an actuator configured to translate said first rail along said longitudinal housing direction ; whereby said coupling element limits a translation of said second rail along said longitudinal housing direction , thereby rotating said shading blades between said closed position and said at least one open position ; and - a rain gutter extending along said longitudinal housing direction and arranged below said plurality of shading blades . <EOS>