How are mosaics, like the one shown above, created? Look at the mosaic closely. How did the artist create this mosaic? Where are mosaics usually used?

Mosaics are part of art that are formed by putting pieces of stone or colored glass together into an image or pattern.
The artist used a larger flat stones for the blue sky and one of the following for the figures: ivory, wood, or marble.
Generally, there are many different uses of a mosaic and some are used as walls, grave stones, elaborate floors etc.
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