text:   exploration",2,"['New paper: we designed an algorithm that allows miniature underground UAVs to establish communication relays in tunnels. Paper: <LINK> We use the nice Crazyflies by @Bitcraze_se. <LINK>', '@Bitcraze_se Thanks. If you are interested, we could write a blog post about this (in particular, we have actual p2p communication and everyting runs on the crazyflies)']",20,03,354