For most people, the daily commute to and from work is no fun.
Sao Paulo, Brazil is home to some of the world's biggest traffic jams, and itssubway stations are a bit overcrowded.
Just getting the door of a train closed can prove tricky.
The city's buses aren't much better.
Some commuters in Dhaka, Bangladesh travel by water.
Other Dhaka residents use the roof of the train as well as its interior.
Some seem to enjoy the ride.
Motorbikes are a popular mode of transportation in Taipei, but riders can create major bottlenecks during rush hour.
In Jakarta, Indonesia, the front of the train is fair game, too.
Being a pedestrian in Tokyo means having a lot of company.
Riding with this many people on a motorcycle doesn't look like much fun.
At peak times, New York City's Grand Central Terminal gets pretty crazy.
But it pales in comparison to what trains look like in Indonesia's West Java province, where just 300 cars serve 500,000 commuters each day.