4 ms·

Thanks for a new youtube channel to follow.

• pfdietz 5y ago
  I also recommend Mentour Pilot (not geology related, but interesting.) This episode (about Olympic 411) is a nailbiter: https://www.youtube.com/watch?v=fT6r9_wmT20 https://www.youtube.com/watch?v=fT6r9_wmT20