Научно-технически съюз по изкуствен интелект - Пловдив Up to now, there have been 7 hills in Plovdiv. At present, only six of these are preserved. Markovo hill was became pavement for that cobblestoned streets. All those, who decide to count the hills of Plovdiv, should really take into account that https://rachelz739zbd7.wikiap.com/user