The sun is seen after dawn after the Met Office reported that storm Ophelia has drawn dust north from the Sahara, near Exeter, Britain. (Image: Reuters)
Dust envelops art installations during the Burning Man 2013 arts and music festival in the Black Rock Desert of Nevada. (Image: Reuters)
A massive sand storm cloud is close to enveloping a military camp as it rolls over Al Asad, Iraq. (Image: Reuters)
The sky turns red over buildings in Canary Wharf as dust from the Sahara carried by storm Ophelia filters sunlight over London. (Image: Reuters)
A massive sand storm cloud is close to enveloping a military camp as it rolls over Al Asad, Iraq. (Image: Reuters)
An internally displaced man, who fled a military offensive in the Swat valley region, sits outside his family tent during a dust storm at the UNHCR Jalozai camp in Pakistan. (Image: Reuters)
A traffic light shows red as a dust storm blankets the Sydney Harbour Bridge at sunrise. (Image: Reuters)
Private First Class Brandon Voris of Lebanon, Ohio, from the First Battalion Eighth Marines Alpha Company stands in the middle of his camp as a sandstorm hits his remote outpost near Kunjak in southern Afghanistan's Helmand province. (Image: Reuters)