-To guide people on where to cross the road/street and where not to stand
-To guide cars on how to move in a correct order to avoid chaos
I live in Florida around the really really really hot parts so it's pretty different from Canada especially since there's blizzards and very cold climate around there, and Canada is farther north from Florida. I can't really think of some related things they both have in common.<span />
People who have a limited amount of food or resources tend to migrate, which can cause a increase of animal population. Humans are the leading cause of things like deforestation and extinction. Once humans leave, Bled will slowly regain it's natural resources, and animal populations will rise after resources become more common. Eventually resources will no longer be scarce.
The Senegal River has a length of about 675 miles and serves as part of the border between Mauritania and Senegal, before finally draining into the Atlantic Ocean. The headwaters of the river come from two rivers that originate in Guinea, namely the Bafing and Semefé (Bakoye) rivers.