Bush tucker and border patrol: In pictures
Australia's North West Mobile Force or NORFORCE employs Aboriginal skills (handed down through the generations over 40,000 years or more) to patrol the country's 1.8 million square km-long northwest coast. Fish, shellfish, turtle eggs and even insects supplement rations during the patrol, which detects illegal foreign fishing vessels and drug smugglers, as well as people smugglers. We bring you images
A river and its estuaries are seen surrounded by mangroves in Arnhem Land in Australia's Northern Territory.