The Williamsburg bridge connects Brooklyn with Manhattan and is a marvelous application of Erector Set construction principles:

My latest trip to New York, I walked the Williamsburg bridge on a dark but lovely afternoon. To my left, I saw its more famous cousin, the Brooklyn bridge, along with the Manhattan skyline:

On the Williamsburg bridge, the pedestrian walkway is a cage. The human eye quickly adjusts to this and ignores the bars, enjoying the view beyond. My phone camera, however, ignored the bars only in the few places where I could position the camera smack next to the grid, lens between bars:

Even when the cage is not prominent, the view is cluttered, which adds a distinctive industrial beauty:

Pedestrians walk above cars here:

And alongside trains!:

It turns out the subway is not just subterranean. Here are two trains passing, bread-‘n’-butter, in opposite directions:

This video almost catches a train exchange. Behind the trains, note some reasons not to drive:

I think I remember reading that a public art project made some pink decisions:

The public art continues to evolve:

Underfoot I found my favorite:

On the Williamsburg bridge, even the eroding asphalt paint looks good:

(The WP Weekly Photo Challenge was Angular.)