Waves and headland at the Grotto on the Great Ocean Road, Victoria

Waves and headland at the Grotto on the Great Ocean Road, Victoria in January 2019

A cliff and a headland at the Grotto on the Great Ocean Road, Victoria

A cliff and a headland at the Grotto on the Great Ocean Road, Victoria in January 2019

An island at the Grotto on the Great Ocean Road, Victoria

An island at the Grotto on the Great Ocean Road, Victoria in January 2019

Cliffs at Gordons Bay on the coastal walk in Sydney, NSW

Cliffs at Gordons Bay on the coastal walk in Sydney, NSW in January 2015

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

Ocean swell hitting rocks on the coastal walk in Sydney, NSW

Ocean swell hitting rocks on the coastal walk in Sydney, NSW in January 2015

Man taking a photo with a big DSLR on the coastal walk in Sydney, NSW

Man taking a photo with a big DSLR on the coastal walk in Sydney, NSW in January 2015

Man on a cliff on the coastal walk in Sydney, NSW

Man on a cliff on the coastal walk in Sydney, NSW in January 2015

The ocean and cliffs south of Coogee Beach, Sydney

The ocean and cliffs south of Coogee Beach, Sydney in May 2018

Cliffs at Gordons Bay, Sydney

Cliffs at Gordons Bay, Sydney in May 2018

Shark Point, Sydney

Shark Point, Sydney in May 2018

The coast seen from Gordons Bay, Sydney

The coast seen from Gordons Bay, Sydney in May 2018

The ocean near Bondi Beach, Sydney

The ocean near Bondi Beach, Sydney in September 2017

Houses and a cliff near Bondi Beach, Sydney

Houses and a cliff near Bondi Beach, Sydney in September 2017

Rocks north of Coogee Beach in Sydney

Rocks north of Coogee Beach in Sydney in January 2015

Cockatoo sitting on a danger do not go near the edge sign at Coogee Beach in Sydney

Cockatoo sitting on a danger do not go near the edge sign at Coogee Beach in Sydney in January 2015

A woman running up stairs next to sandstone cliffs near Tamarama Beach in Sydney

A woman running up stairs next to sandstone cliffs near Tamarama Beach in Sydney in September 2017

Rock atop the hill at Similan Island no 4, Ko Miang (เกาะเมียง) in Phang Na Province, Thailand

Rock atop the hill at Similan Island no 4, Ko Miang (เกาะเมียง) in Phang Na Province, Thailand in May 2016

View of a hill in Hua Hin, Thailand

View of a hill in Hua Hin, Thailand in August 2017

A rainbow and the Three Sisters at the Blue Mountains, NSW

A rainbow and the Three Sisters at the Blue Mountains, NSW in September 2017