https://webresources.gu.se/RSS_Services/Calendar_dynamic_RSS?categoryNames=Symposium&calendarIds=1764699888&fromSiteNodeId=499500&languageId=100000&disableRedirect=true&returnUrl=http%3A%2F%2Fhum.gu.se%2Fenglish%2Fcurrent%2Fcalendar%2F%3FlanguageId%3D100001%26startDateTime%3D2020-02-15%26endDateTime%3D2020-02-22%26categoryAttribute%3DeventTypes%26categoryNames%3DSymposium&startDateTime=2020-02-15&endDateTime=2020-02-22 The top 25 events