Someone posted this under comments in one of my previous entries. Look at how clean this train looks! Sure, there's wear and tear on the floors but it is meticulous. I've been to Singapore and the entire city is clean. In fact, there are cameras on every major intersection monitoring citizens and you get fined (sometimes jailed) for littering, sleeping or even spitting on the streets. Not saying that's the model that we should follow but boy, that sure would make one clean country if we had to live under those strict regulations.
It can be the end of the day and this train will still look that clean because it's in Singapore. I've seen it firsthand.
Here's the picture: