Walking or riding via bus or tuk-tuk, you'll certainly see and learn many new and interesting things when you visit Bangkok, Thailand.
Mornings are generally the best time for market photos but by all means, just go and shoot later in the day if that's what fits your schedule better.
Space is at a premium on the city streets in central Bangkok, Thailand just as it is in all major cities around the world.
Such boats are far less likely to tip over as more conventional small boats sometimes do but they take considerable practice in learning to keep going straight rather than spinning around.
Tourists arriving in this container port by cruise ship have many interesting tours made available to them. Transportation is by modern, air conditioned busses with English speaking guides who are very eager to show the more interesting points around their area including the nearby fishing village of Kampong Pier Tumnup Rolok, beaches, and a Buddhist Temple where monks are often seen about the complex.