man trekking on mystical hiking trail leading to mount olympus mytikas, skala, stefani in mt olympus national park

achievement adventure air alpine biosphere boy breath cliff climbing clouds edge europe fog foggy freedom fresh gods greece greek happiness health heritage hiking litochoro low macedonia man mount mountain mountains mystical mytikas national olympos olympus outdoor park pieria rear reserve ridge skala skolio sport stefani summer summit thessaly tourism trail travel trekking unesco view visibility wanderlust world