Trees in sweaters, Blanton Museum Of Art, University Of Texas, Austin, Texas (© Inga Spence/Alamy)

【June 8 2013】Yarn bombing, aka guerilla knitting, is a form of street art in which public spaces are clandestinely decorated with knitted artwork. Trees, bus stops, and street signs are common targets for the cozy graffiti. International Yarn Bombing Day began in 2011, with global participation stirred up via social media. Check your neighborhood for signs of subversive textiles. Explore breathtaking Gallery from the HuluTrip homepage over the past 5 years..