Lying deep in the African desert sits the colourful and supersaturated hot springs of the world's 'hottest' town.

A truly remarkable quirk of the natural world - this volcano lights up the night sky in an iridescent blue when its sulphuric gases make contact with the air.

Almost every day in Dallol is a hot day, in other words, with the average temperature sitting at 94 degrees thanks to its position above a volcano and surrounding subterranean hydrothermal system ...