This is great privacy without being too opaque. I love screen block. And these are really cool. Apparently it's back in, but here in the SW I don't think it ever left. Just about all the places I've lived had screen block concrete walls.
Mid-Century Perfect - New Orleans Homes & Lifestyles - August 2007 - New Orleans, LA
Lady Bird Lake Hike and Bike Trail Restroom, Austin, United States designed by Miró Rivera Architects