Design of staircase from the upper-level villa to the rooftop garden

Quick answer：

The design of a staircase connecting an upper-level villa to a rooftop garden involves architectural considerations for safety, aesthetics, and accessibility. Key aspects include the selection of the right materials, ensuring adequate width and riser height for comfort and safety, and integrating the staircase seamlessly into the overall design of the villa and garden. Factors like the existing building structure, the slope of the roof, and the intended use of the rooftop garden must also be taken into account.