Cactus flowers

It's nearly a year since our friend from Egypt planted out several pieces of the overcrowded cactus we brought from our rental house.

Imagine my surprise when I noticed several shoots coming up from the larger bowl... with little red floweret things at the top. It did happen once before, two years ago, but then it was only one bloom and it wasn't as bright as these:


Here's a close-up of the one that looks the most colourful: