Create a modern architectural structure that has a sleek design with dark tones and geometric patterns on its facade. The structure should have a large blank billboard attached to the front of the building, ready for advertising. The building should be surrounded by a green fence that matches well with the neatly manicured grass and palm trees in the background. There should be two identical yellow sports cars in the foreground, parked on marked spaces which indicate a well-organized parking area. The sky should be clear, suggesting a bright and sunny day which illuminates all elements of this scene vividly.