People relaxing on rocks on the coastal walk in Sydney, NSW

People relaxing on rocks on the coastal walk in Sydney, NSW in January 2015

Woman sunbathing at Karon Beach, Phuket, Thailand

Woman sunbathing at Karon Beach, Phuket, Thailand in August 2017

Two women sunbathing on the beach on Taichai Island, Thailand

Two women sunbathing on the beach on Taichai Island, Thailand in May 2016

Men relaxing at Hyams Beach, NSW

Men relaxing at Hyams Beach, NSW in September 2013

Man sunbathing in Ao Nang, Krabi district, Thailand

Man sunbathing in Ao Nang, Krabi district, Thailand in May 2016

Woman sunbathing at Tamarama Beach in Sydney

Woman sunbathing at Tamarama Beach in Sydney in October 2015

Women sunbathing and a boat in Umhlanga, KwaZulu Natal, South Africa

Women sunbathing and a boat in Umhlanga, KwaZulu Natal, South Africa in February 2015

Sunbathers in Sydney, NSW

Sunbathers in Sydney, NSW in November 2013

Man sunbathing at Coogee Beach, Sydney

Man sunbathing at Coogee Beach, Sydney in September 2013

Sunbathing at Coogee Beach, Sydney

Sunbathing at Coogee Beach, Sydney in September 2013

On the beach at Coogee beach

Sunbathing at Coogee Beach, Sydney in September 2013

Coogee beach

Coogee Beach, Sydney in September 2013

Taking in the sun

A woman sunbathing on an Ocean Spirit Cruises catamaran on the Great Barrier Reef, Queensland, June 2013

Sunbathing couple

A couple sunbathing on an Ocean Spirit Cruises catamaran on the Great Barrier Reef, Queensland, June 2013

On a boat on the Great Barrier Reef

People on the boat at Michaelmas Cay, Great Barrier Reef, Cairns in June 2013

Sydney suntan

Sunbathing at Coogee Beach, Sydney in December 2011

Couple sunbathing

Couple sunbathing at Coogee Beach, Sydney in December 2011

Skin cells in trauma

A bus with a skin cells in trauma advert in Randwick, Sydney in January 2010

Women sunbathing on a boat

Two women sunbathing ona the prow of a long tail boat by Kho Phi Phi Don, Ao Nang, Southern Thailand in February 2012. The guy is covered in tattoos.

Tourists on a beach in southern Thailand

Tourists on an island off Kho Phi Phi Don, Ao Nang, Southern Thailand in February 2012