2013:05:26

Hang Son Doong

© Carsten Peter/Getty Images

Cotton Grass

© Richard Hamilton Smith/Corbis

Duckling Rain

© Nacivet/Photographer’s Choice/Getty Images

Preservation Hall

© Cosmo Condina/Superstock

Toulouse

© Richard Fairless/Getty Images

Beech Forest

© MIXA/Alamy

Dwarf Goby

© Jason Isley/Scubazoo