Sculpture is a wonderful art and is a branch of visual art that deals in 3 dimensions.
That is cool. I am a big fan of all types of sculptures 
Apparently sculpting is also considered to be one of the plastic arts.
What are the types of sculptures that we have. 
There are a wide variety of sculptures. Carvings, modelings, and molds are popular.
What are the proceesses involved in making these things
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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
plastic material, commonly stone (either rock or marble), metal, or wood. Some sculptures are created directly by ; others are assembled, built up and fired, welded, molded, or cast. Because sculpture involves the use of materials that can be moulded or modulated, it is considered one of the plastic arts. The majority of public art is sculpture. Many sculptures together in a garden setting may be referred to as a sculpture garden.
Sculpture in stone survives far better than works of art in perishable