Aquaculture and tourism - Sardinia, Italy

Panoramic mosaic of an ocean-facing reef - Marshall Islands

Lion eating prey in the grass - Tanzania

A plastic sack caught on coral, inevitably leading to death and disease for the coral

Sun set over the mountains of the Royal Natal National Park - South Africa

Aerial view of the main highway travelling through to the city centre in the distance - Johannesburg, South Africa

Aerial view of an informal settlement - South Africa

Stars shining at night over sub-tropical woodland - South Africa

Aerial view of Victoria Falls - Zimbabwe

A desert tortoise, found only in the Mojave and Sonoran deserts of South West American and Northern Mexico

Male lion snarling in long grass - Africa

Lion pride feeding on kudu kill - Namibia