There are strangely many all over the country. Once I started looking, I noticed them everywhere whenever I drove outside the city. As to DIY, one thing that

There are strangely many all over the country. Once I started looking, I noticed them everywhere whenever I drove outside the city. As to DIY, one thing that worked well for me was printing out a photo of the area and bringing it to a local nursery. They helped us put together a nice little layout, which we of course bought right there. Then, a day of digging and you're done!