The umbrella can symbolize several things
Umbrella flight
Drawn story by Frits Ahlefeldt. FritsAhlefeldt.com
The umbrella is a classic metaphor both for hope, for shelter and for flying up high above the city or like here, above water.
Stories of imagination, magic and dreams, flying towards the unknown, and landing there safely sometimes use the umbrella as symbol

Keywords:hope, imagination, endeavor, daring, imagine, vision, hope, dreams, Mary Poppins, narrative , museum of psychology