No theme to this post: just various links to items of possible interest:
I've done Google image searches for the term "dugout canoe" any number of times with mediocre results. But our friend Silvio Antunha searched for the equivalent of "indigenous canoe" on Google's Brazilian site, and came up with great results:
The image below is just one of many intriguing search results. Standing up and poling in rapids in a heavily-built dugout! Wish I could read Portuguese and learn more about this.