Volunteer campaign for cleaning up the Dzhendem Tepe hill: December 1st, 2005 (Thursday) at 12 pm, at the central station of the Children?s Railway at the Dzhendem Tepe hill is the start of the campaign for cleaning up the hill. The campaign is organised under the motto ?Give Away an Hour of Your Time in favor of Plovdiv?. The goal of the campaign is school students and volunteers to take care of the beautiful hill themselves and thus to prepare the new start of the kids? railroad?