The parklet idea has been reclaiming parking spaces and turning them into people spaces for a few years now. Here’s a collection of 11 parklets that have been completed in recent years. See them all on contemporist.
Plaza de Dali, designed by architect Francisco Mangado. Center of Madrid city. I assume illustrator and autocad were used to create design. I love this design because if the simplicity of it and the mass and void phenomena.