LIVING MONUMENTS Ongoing worship and ritual life at these monuments, makes conservation all the more compelling   Ritual chariots at Patan Darbar Square, April 2004.     PATAN CAMPAIGN HERITAGE AT RISK LIVING MONUMENTS TRADITION CONSERVATION CHALLENGES KVPT'S NEPALESE TEAM GLOBAL DIALOGUE   G.P.O. BOX 13349, KATHMANDU, NEPAL, TEL.: 977 1 554 6055 * 136 WEST 21ST STREET 11TH FLOOR, NEW YORK, NY 10011, USA, TEL.: 212 727 0074