Saturday 6 June – World Environment Day Saturday 6 June – World Environment Day. Guided tours of of Vravrona: the archaeological site and the wetlands. Archaeological site Wetlands Leave a Reply Cancel replyYour email address will not be published. Required fields are marked *Comment Name * Email * Website Please enter an answer in digits:8 + six = This site uses Akismet to reduce spam. Learn how your comment data is processed.