Ernie Janes / Farmer changing plough shears on plough, Hertfordshire, UK

Colin Monteath / Rata Tree (Metrosideros sp) group showing wind shear, Auckland Islands, New Zealand

Jack Dykinga / Stream flowing through limestone boulders beneath the shear, Bromeliad covered walls of Servilletta Canyon in Tamaulipas, Mexico

Steven Kazlowski / Sunlight illuminates the shear faces of a large iceberg along the western Antarctic peninsula, Southern Ocean