A stunning scene was captured by photographer Sarah Bethea at an ice cave in Iceland with the sun was sitting perfectly in line with the ice walls. /VCG Photo

Under the sunlight, the glaciers looked as if they were made up of amber, which can happen only once or twice a year. /VCG Photo

Photographer Sarah Bethea said she wanted to reveal the fragility of the Earth through her photos and called for people to cherish our living planet. /VCG Photo