Fountains could waltz to lights and music
Art could be created on pavement
A fountain could display the time / messages / art
Buildings could play music when it rains
Flowers could be in guerilla flashes
Undersea tunnels could have sculptures and light effects
Art / music / poetry could be found in public transportation systems
Inspirational messages / quotes could be left in highly trafficked areas
Power lines could have interesting shapes
Sculptures could be aerial
Art could float
Boats could be shaped like different objects
Stairs could have art
Large-scale fabric could be used in art
Art could be immersive
Symbolic reparations / memorialization / collective healing could be used more in transitional justice
Strangers from different cities could talk with / see each other
Clouds could be created in unexpected places
Adults could have playgrounds
Bridges could be lit up
Improv could be everywhere
A chair could be a rocking or spinning sculptural vessel
Art could be made from nature
Bike racks could have music or playful designs
Poetry could be written spontaneously with typewriters
Musicals could happen in crosswalks
Water fountains could talk
Basketball courts / sports facilities / playgrounds could be redesigned with public art