This is another capture of prickly pears. In this one the prickly pears are unripe.
Prickly pear belongs to cactus genus of plants and it is native on Rhodes and the whole Mediterranean basin. It is also known as Opuntia and it can reach to 3-5m high although it has not a trunk but strong leaves. It produces fruits as you can sea in this image above that are very tasteful.