A Real New Yorker, when confronted with the choice of a packed subway car and an empty subway car with a homeless person bleeding out from Ebola, chooses the empty car because she's had a long day, needs a seat, and Ebola was, like, a two-years-ago thing.

It's not every day one sees a fully-functional smart city, given crumbling urban infrastructure in many countries, so a visit to a metropolitan area that runs well and serves its residents efficiently is a delightful sight for sore eyes.

The music starts cautiously. Water is trickling out of a small source somewhere in the Czech mountains. Throughout the piece the small stream develops into a big river and the music becomes more and more energetic until it reaches its peak: the river Vltava finally reaches its destination.