Layering Up: A lot of pergolas will only have one layer of overhead beams say going in a vertical direction. One way of adding more shade and roofing to the pergola is to add another level of beams this time going in the horizontal direction as
Gabion walls don't need any kind of drains because they are porous throughout. Gabions can be customized to make them more useful in public spaces. Gabions can be filled with any heavy material--diverse stones, metal artifacts, obtanium, etc.
NEXT Architects designed a pedestrian bridge for Changsha, China and it won a competition for its innovation. The bridge spans the Dragon King Harbor River in the Meixi Lake district and it was built from scratch.