Υ1 – Στη σιωπή του βυθού
- Он: 2020
- Улс: Greece
- Төрөл: Documentary, History
- Студио: EPT, 2|35, FAOS
- Түлхүүр үг: sea, navy, submarine, world war ii, greece, exploration, sunken submarine, british navy, ship wreck, german occupation of greece, katsonis, greek navy
- Захирал: Filippos Vardakas
- Цутгамал: Bilio Tsoucala
