For graffiti and street art lovers is unmissable the Superheroes exhibition inside the five star NH Collection Milano President. On stage the characters who made the story of comics, from Catwoman to Superman, signed by 20 national and International fame artists. Thanks to the partership with Street Art In Store (streetartinstore.com), reference point for graffiti collectors and urban art lovers, NH Hotel Group (nh-hotels.it) continue sto promote its hotels as cultures and arts places opened to public. Free entry, to 12 September.