Well, the end of an era has come. We finally decided to cut down the orange tree in our garden that, though bearing lots of fruit, gave only bitter and sour tasting oranges and were, thus, simply not edible. If you are going to have a tree in your garden, it should bear good fruit. We thought about first doing a technique called grafting, which involves attaching a 'good' branch to the old tree, but not only was this done a few decades ago by my wife's grandfather without much luck, the tree was also in a bad position, growing up through a concrete structure that is there. Now that it's gone we do notice the concrete is badly cracked and in need of repair. It will now serve as the structure to support the growth of grapes and, if all goes well, kiwifruit. The growth around the structure caused the tree to pick up infections where its branches bent around the concrete. It was also surrounded in parasitic vines that were slowly killing it anyway... perhaps this is what lead to the bad oranges.