Explore the city’s downtown art scene and meet some of the artists that are part of it. You’ll visit seven locations over two hours on this walking tour; at each exhibit, former art critic Rafael Risemberg will explain the artist’s background and the work on view, before facilitating an open discussion. Go to nygallerytours.com for more information. Meet at 196 Bowery at Spring St. Subway: J, Z to Bowery; 6 to Spring St; F to Second Ave.