I know my best friend is just trying to look out for me but I hate it when he thinks he knows everything. I usually listen to him but not this time.

SUBMISSION: These are all naturally coloured diamonds. They’re on display in The Vault at the Natural History Museum in London. The lights dim every so often revealing the fact that some of them also glow.








![I like holding hands. :]](http://29.media.tumblr.com/tumblr_ly8y7z6UGv1qazpwno1_r1_500.gif)


