An Australian, team-based competitive
performing art, featuring elements of rhythmic gymnastics, musical and dramatic
theatricality, costume, dance, musical
interpretation, and more.
The word itself comes from the Greek words for 'beauty' and 'strength'.
At the most elite level, Calisthenics competitors are required to have a high level of flexibility, strength, balance and control, precision, technique, and execution.
Not as well-known as it deserves to be. Also, the hardest sport to explain to a person who hasn't heard of it.