https://webresources.gu.se/RSS_Services/Calendar_dynamic_RSS?categoryNames=&calendarIds=&fromSiteNodeId=529651&tipFriend=true&tipUrl=http%3A%2F%2Fwww.gu.se%2Fomuniversitetet%2Faktuellt%2Fkalendarium%2F%3FsiteNodeId%3D529651%26languageId%3D100000%26startDateTime%3D2019-12-10%26endDateTime%3D2019-12-17%26tipFriend%3Dtrue%26tipUrl%3Dhttp%253A%252F%252Fwww.gu.se%252Fomuniversitetet%252Faktuellt%252Fkalendarium%252F%253FeventId%253D70136991416%26eventId%3D70136991416&languageId=100000&startDateTime=2019-12-10&endDateTime=2019-12-17&eventId=70136991416 The top 25 events