It’s not the most famous, the most active or the biggest volcano in the world, but Indonesia’s 2392m-high Mount Bromo is one of the most picturesque – in a dusty, post-apocalyptic sort of way.
The still-smoking and apparently perfectly symmetrical cone rises precipitously out of a vast, windswept, sandy plain. This is the Sea of Sand, actually the floor of an ancient crater (or caldera), stretching up to 10km in diameter and with walls towering some 300m high.