Colorful Urban Art

Adjective showing new and unusual or experimental ideas
avant-garde
In cities across the country, box trucks gather in night markets featuring parties with avant-garde entertainment.
Adjective deliberately and openly disobedient
Yarn bombing has been described as warm and fuzzy defiant art. Those who engage in the street graffiti delight in creating random acts of art on urban architecture.
Adjective in a very poor condition as a result of disuse and neglect
Graffiti-ridden derelict sites have been given a much needed face-lift with extraordinary light art by Tigtab. Each image is created with the help of stencils.
Noun writing, drawings, markings on walls or other surfaces in a public space, often illegally
Banksy's work sells for hundreds of thousands of pounds and he has become a cult figure in the art world. In July his famous early piece, Gorilla in a Pink Mask, was mistaken for worthless graffiti and painted over!
Noun property of not existing for indefinitely long durations
"By bringing light into the darkness of each space, it fills that space for a moment in time, and highlights both their beauty and impermanence," the artist Tigtab comments.
Noun art exhibit that usually has several parts (such as a sculpture, lights, and sound)
installation
This year 20,000 wishing spheres, all marked with the hand-written wishes made by Singaporeans, were floated onto the waters and became come part of a visual arts installation at Marina Bay.
Verb enter into and occupy with large numbers
invade
Panda-mania is set to hit Hong Kong! As part of the worldwide tour to create awareness for the plight of Pandas, French artist Paulo Grangeon crafted 1600 papier-mache pandas from recycled materials to invade Hong Kong.
Adjective made up of or including many colors
Chicago's largest-ever public art installation, Color Jam, was unveiled in the heart of the city's Loop -- covering various surfaces of the intersection of State and Adams with multihued, geometric shapes.
Verb cause to appear on a surface or in space
Snake the Planet uses projection mapping techniques to project the classic game on to any available surface. Windows, signs and even people become pixelated obstacles in the game.
Verb give new use or meaning to something
Artist Stephen Glassman sees billboards as a potential tool for confronting pollution challenges as cities grow. Imagine dozens of billboards repurposed as mini-gardens, each creating a tiny, cool microclimate.