anchor.diff:  				</c:if>
   				
   				<!-- locations -->
  -				<c:if test="${place.prefLocation != null}">
  +				<c:if test="${place.prefLocation != null && place.prefLocation.coordinates != null && fn:length(place.prefLocation.coordinates) > 0}">
   					<h2><s:message code="domain.place.locations" text="domain.place.locations" /></h2>
   					<ul>
   						<li>
  
positive.code: 													<c:forEach var="coordinates" items="${ring}">
  														${coordinates[0]},${coordinates[1]}
  													</c:forEach>
  													<c:if test="${ring[0] != ring[fn:length(ring) - 1]}">
  														${ring[0][0]},${ring[0][1]}
  													</c:if>
  												</coordinates>
  
negative.code: 													<c:forEach var="coordinates" items="${ring}">
  														${coordinates[0]},${coordinates[1]}
  													</c:forEach>
  													<c:if test="${ring[0][0] != ring[fn:length(ring) - 1][0] || ring[0][1] != ring[fn:length(ring) - 1][1]}">
  														${ring[0][0]},${ring[0][1]}
  													</c:if>
  												</coordinates>
  