https://webresources.gu.se/RSS_Services/Calendar_dynamic_RSS?categoryNames=&calendarIds=&fromSiteNodeId=529651&languageId=100000&startDateTime=2019-10-17&endDateTime=2019-10-24&endDateTime=2019-02-27&siteNodeId=529651&languageId=100000&categoryAttribute=eventTypes&categoryNames=lecture The top 25 events