Sculptures are an important form of public art which have morphed significantly over the centuries. They can be created from almost anything and often include found objects which were not designed for artistic purposes. Some sculptures are built from stone and are meant to be as permanent as possible. Others are made to be purposefully short-lived. Then there’s almost a cult of alien-type sculptures which may prove interesting in the future when present day art as is viewed as a historic glimpse into the human race