Not just since Banksy have graffiti, murals, and wall paintings become a trending topic. Art that emerges on the streets is often temporary but resonates even more with the spirit of the times. The talent, imagination, and attention to detail of their creators are evidenced by these 53 street art pieces from around the world. Each one transforms a gray wall into a colorful outdoor gallery of its own kind. A clear calendar layout with space for your entries, plus new puzzle fun every week: crossword puzzles and sudokus on all the back pages. Like all Ackermann calendars, printed exclusively in Germany on paper sourced from exemplary managed, FSC-certified forests and other controlled sources. Transparent CO2 compensation in cooperation with our climate partner NatureOffice, which demonstrably reduces greenhouse gases while promoting the local environment and the interests of the population.