Stafel, Switzerland, 17 April: Competitors climb in front of the Matterhorn at the start of the 21st Glacier Patrol race in which highly experienced hiker-skiers trek for over 53km (33 miles) along the Haute Route along the Swiss-Italian border. Photo Credit: Valentin Flauraud/EPA
The Queen greets Canadian Prime Minister Justin Trudeau at a state dinner for the leaders of Commonwealth countries who have been meeting in London. Photo Credit: MATT DUNHAM / AFP
Visitors explore some of the objects on display at the Fuori Salone Design Week in Milan, Italy. The fair presents the latest trends and designs on furniture, lighting and home accessories. Photo Credit: DANIEL DEL ZENNARO / EPA
The foothills of the Santa Ynez mountains glow shortly after the fire front of the Thomas Fire passed through Monday night on Dec. 11, 2017, in Montecito, Calif. Photo Credit: Stuart Palley/ABC News
On Sunday, runners combated temperatures of 24.1C during the London marathon - the hottest on record. But for BBC News presenter Sophie Raworth, the unseasonable heat was nothing in comparison with the Marathon des Sables (MDS), a 150-mile ultra-marathon in the Sahara desert. Photo Credit: IANCORLESS.COM