ROME (REUTERS).- Environmental and cultural heritage groups appealed to city officials Thursday to stop the “massacre” of Villa Borghese park by banning pop concerts and big screen events they say lure vandals and lager louts. The villa’s secret gardens, majestic terraces, sprawling lawns and statues of Byron, Victor Hugo and Goethe are at risk from the city’s cash-making initiatives, the activists say. “The city council continues to authorize events that are utterly incompatible with the area’s historical value,” said Lorenzo Parlati, head of the Rome branch of Legambiente, the national environmental group. Once a must-see on the Grand Tour of Europe, it contains an 18th century artificial lake, dozens of monumental fountains and the Galleria Borghese museum, home to masterpieces by artists such as Bernini, Titian and Raphael. Earlier this month, tens of thousands of soccer fans watched World Cup matches on big screens in the villa’s Piazza di Siena equestrian show grounds and