street art, aerialist
This aerial cyclist (actually aerial cyclist) adorns the Facade of a business/residential building on the Singel. This aerial cyclist on the Singel changes her outfit regularly - according to the season. Sometimes she cycles upside down.
According to the dictionary, an aerial cyclist has a lot of imagination and/or a rich imagination.
other meanings ...
... fantasizing at random, not yet making concrete plans. Perhaps the beginning of something new.
... making intentions and plans that will or can never be carried out
... making bicycle movements in the air, with the aim of exercising the abdominal muscles