Do you know anything about sculpture?
Yeah , interesting fact is that sculpture is the branch of visual arts that operates in three dimensions 
what types of sculpture are you familiar with?
Im familiar with carving , its generally assembled by welding or molding .  Are you familiar with this type ?
I am . My husband uses horseshoes to make things.
Oh thats very interesting.  Another fact is that sculpture in stone survives far better than others 
That must be very time consuming.
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Sculpture in stone survives far better than works of art in perishable materials, and often represents the majority of the surviving works (other than pottery) from ancient cultures, though conversely traditions of sculpture in wood may have vanished almost entirely. However, most ancient sculpture was brightly painted, and this has been lost.
Sculpture has been central in religious devotion in many cultures, and until recent centuries large sculptures, too expensive for private individuals to create, were usually an expression of religion or politics. Those cultures
Sculpture
Sculpture is the branch of the visual arts that operates in three dimensions. It is one of the plastic arts. Durable sculptural processes originally used carving (the removal of material) and modelling (the addition of material, as clay), in stone, metal, ceramics, wood and other materials but, since Modernism, there has been an almost complete freedom of materials and process. A wide variety of materials may be worked by removal such as carving, assembled by welding or modelling, or molded or cast