See why these explorers referred to as Australia's deepest identified cave 'Delta Variant' by The Traveler | Sep 15, 2022 A gaggle of Australian explorers has not too long ago found the “Delta variant,” a 401-meter-deep collapse Tasmania. Supply hyperlink Submit a Comment Cancel replyYour email address will not be published. Required fields are marked *Comment * Name * Email * Website Save my name, email, and website in this browser for the next time I comment.