Astronauts on board the International Space Station have taken two spectacular images of erupting Mt Etna in Sicily.
The crew were able to observe Etna's recent activity, and photograph the details of the eruption plume, as well as smoke from fires triggered by the lava as it flowed down the 3,350-metre-high (11,000 feet) mountain.
The wide view shows the ash plume curving out towards the horizon, caught first by low-level winds blowing to the south-east, and to the south towards Africa at higher altitudes.
The lighter-coloured plumes downslope and north of the summit, seen in the close-up view at the top of the page, are produced by forest fires ignited by lava flowing into the pine trees on the slopes of the mountain. ...