The subtropical jet streams formate from cool and warm air masses that meet near the equator (close to the 30* Latitude).
Some of the challenges are:
Finding out what the characters carved/written on the papyrus are because the papyrus is so weathered and roughed up.
Then actually deciphering the characters was another challenge.
You basically had to have an idea of what the characters meant ^^
ocean geo uhh its something else too