The shape of the ball is the same on all sides, so it is simple and can easily fit into the room, as well as the composition of arc and a crescent shape.
Tvar koule je stejnÃ½ na vÅ¡ech stranÃ¡ch, takÅ¾e je jednoduchÃ© a snadno vejde do mÃ stnosti, stejnÄ jako sloÅ¾enÃ z Arku a srpek mÄ sÃ ce tvar.