Dhaka is the rickshaw capital of the world - rickshaws, driven by rickshaw wallahs, are all over the place, mixed in with the traffic, fighting for a spot in between cars. I snapped a photo of this one from my car window as we were driving through downtown. I have yet to take a ride in one, but it's on my list of things to do before I leave!
You can read about rickshaw wallahs in Dhaka in this BBC article - bit dated, but gives you an idea: http://news.bbc.co.uk/2/hi/programmes/from_our_own_correspondent/2300179.stm
