It is an Italian idea the harvest revolution for apple trees, pear but also peaches, apricots, plums and cherries and all the others fruits that grow in tight close and short rows like hedges. They have called it “Frutteto in parete” for his Verticality like a wall and also «frutteto pedonabile» because it can be handle walking, in fact, all fruits are reachable from the ground without stairs and this leads great advantages in operator safety (drawn from Corriere.it)