Concrete patterns appear after rain
Posted in Random by Derek at 5:20 pm
This post was published 2 years 9 months 10 days ago which may make its actuality or expire date not be valid anymore. This site is not responsible for any misunderstanding.

This is one trick slab of concrete that does not need much of a description. Dry concrete – boring. Wet concrete – custom pattern. Kind of like those magic marker kits I used to play with as a kid. More info [via]. Who wants it?