They used two specially-equipped Land Rovers to reach the group, who were trapped in a snowdrift at 1, 800ft.

BBC: Wales weather: More snow due after heavy fall

Emily Watts, 26, from Lavenham, crashed into a snowdrift and suffered a heart attack near Chamonix on Saturday.

BBC: Emily Watts

Emily Watts, 26, from Lavenham, Suffolk, crashed into a snowdrift and suffered a heart attack near Chamonix on Saturday.

BBC: Snowboarder Emily Watts dies five days after Alps crash

Emily Watts, 26, from Lavenham, crashed into a snowdrift and suffered a heart attack near Chamonix on 8 December.

BBC: Snowboarder Emily Watts's family starts charity

Then he makes the chords stormier, driving them into an atonal snowdrift.

NPR: James Booker: Making the Insipid Sublime

Known as Mimi, she fell headfirst into a snowdrift and was stuck for about 45 minutes following the fall, in the Grand Montets skiing area.

BBC: Emily Watts

As with any exercise, if you're out of shape, have had back injuries in the past, or have a history of heart disease, check with your doctor before tackling that snowdrift.

CNN: Shoveling snow? How to protect your back (and your heart)