CloseThis event has ended. marine pollution | ocean 17 September 2022, 11:00 +08 - 17 September 2022, 15:00 +08Mongolia Practical information WhenSaturday 17 September 2022, 11:00 +08 - Saturday 17 September 2022, 15:00 +08WhereUlaanbaatar/Selbe river Dari-ekh spring, Mongolia LanguagesEnglishPart of#EUBeachCleanUp events 2022Websitehttps://www.facebook.com/events/2529483107202887?acontext=%7B%22event_action_hi…