The perforated curved wall surrounds the courtyard ... The curve becomes more than just a sculptural feature, with residents being able to climb the wall for access to the roof.

A curved retaining wall in front of a flower bed filled with pretty pink and white petunias - Ozgurcoskun/Getty Images ...

you can turn it into a stunning design feature by building a DIY curved retaining wall to frame beautiful flower beds and elevate your garden. This can be especially appealing if the beds are ...