Passing throughout the Clashing Rocks (thanks towards the advice of Phineus, the pilot techniques of Tiphys, plus the assist of Athena), they enter the Black Sea and get there at a deserted island, Thynias, where they observe Apollo traveling overhead on his way north to go to the Hyperboreans. https://financefeeds.com/giorgos-piskopianos-launches-prop-trading-firm-propxp/