Rare and beautiful fire rainbow over SingaporePublished21 February 2017Image source, Chi NavarroImage caption, A school teacher in Singapore saw this fire rainbow during playtime with her class. Some people call it an iridescent cloud but others say its proper name is a circumhorizon arc!Image source, Chi NavarroImage caption, A circumhorizon arc is pretty rare because it only happens under certain conditions. The weather has to be exactly right to create a fire rainbow like this! It's not the only weather that gets people snapping...Image source, Getty ImagesImage caption, Lots of people stopped to take a photo of this rainbow in Beijing. Rainbows aren't seen in the capital city of China very often because of the high levels of smog and other air pollution, so it was a pretty special moment.Image source, Getty ImagesImage caption, You might have heard people talking about blood rain... Blood rain happens a few times a year in the UK and it's when storms over the Sahara desert in Africa mix up dust and sand with rain clouds. The winds carry the dust and sand and after it rains, it leaves behind a 'reddish' layer of dust which can coat houses and cars in tiny sand particles.Image source, SABAH ARAR/AFP/Getty ImagesImage caption, Sandstorms or dust storms happen around the world and can leave a yellow haze, just like this one in Iraq. This colourful weather can be more dangerous than things like fire rainbows. This dust storm shut down the capital's airport and people are often advised to stay indoors until the storms like this pass.More on this storyRare rainbow appears over BeijingPublished4 August 2015'Blood rain' on its way to the UKPublished11 April 2015Strange, Stranger, Strangest. VideoStrange, Stranger, StrangestPublished24 November 2017