update to Event https://smart-data-models.github.io/dataModel.TourismDestinations/Event/doc/spec.md

datamodels/event-ngsi.jsonld

 {
 	"@context": [
 		{
-			"Event": "http://purl.org/NET/c4dm/event.owl#Event",
-			"at": {
-				"@id": "http://purl.org/NET/c4dm/timeline.owl#at",
-				"@type": "http://www.w3.org/2001/XMLSchema#dateTime"
-			},
-			"duration": {
-				"@id": "http://purl.org/NET/c4dm/timeline.owl#duration",
-				"@type": "http://www.w3.org/2001/XMLSchema#duration"
-			},
-			"location": "https://uri.etsi.org/ngsi-ld/location",
-			"category": "https://smart-data-models.github.io/data-models/terms.jsonld#/definitions/category",
 			"championship": {
 				"@id": "https://urbanite-project.eu/ontology/championship",
 				"@type": "https://schema.org/Text"

datamodels/event_example.jsonld

 {
-  "id": "urn:ngsi-ld:Event:football:270720212355",
+  "id": "urn:ngsi-ld:event:football:270720212355",
   "type": "Event",
-  "at": "2021-10-15T16:30:00Z",
-  "duration": "P90M"
+  "startDate": "2021-10-15T16:30:00",
+  "endDate": "2021-10-15T18:15:00"
   "location": {
     "coordinates": [
-          43.264205, -2.949369°
+          43.264205, -2.949369,
           4790107.903140256
         ],
     "type": "Point"