Collection of tributes. Capital cities of the kingdoms acted as important stopping points for the merchants, who were charged high taxes or tributes on entry, and who paid substantial fees for services.
At Wubar a tenth of the cargo would be demanded as tribute
From Shisr, frankincense was transported north by camel train.
Route elevation and stopovers
According to Pliny the Elder, the journey consisted of 65 stages divided by halts and stopovers for the camels, and places for merchants to pay for services.
Shisr to Gaza: 3,096 km
Go to the Land of Frankincense