Photo by padawan.

England - Cyclists with folding bikes flood trains, causing resentment. Is it time for more infrastructure on trains to alleviate this problem? [BBC]

If you had to point to one city that embodies of the challenges of the 21st century, it would be Lagos, Nigeria. The New Yorker had a wonderful piece on Lagos over a year ago, describing it in apocalyptic detail:

At least some people bike in Delhi. Photo by indoloony.

The sun setting in Mumbai. Photo by d ha rm e sh.

Here Pedestrians hold back traffic after painting a sidewalk on the street. Photo from Friendlyghost.

Photo by Monica Almeida from The New York Times.

Photo by MumbaiDailySnapshot.

Photo by Lush.i.ous.