International style gymnasium fa\u00e7ade, clean lines, minimal ornamentation, rectangular forms, flat roofs, large windows, sliding glass doors, anodized aluminum frames, cantilevered canopies, rhythmic column arrangements, brutalist concrete textures, industrial-style steel beams, vibrant color accents, dynamic lighting effects, urban cityscape background, sunny afternoon, shallow depth of field, 2/3 composition, symmetrical balance, realistic material rendering.