Guards at the entrance to a building complex in Beijing, China

Guards at the entrance to a building complex in Beijing, China in May 2019

Solar powered CCTV security camera at the Floriade Flower Festival in Canberra

Solar powered CCTV security camera at the Floriade Flower Festival in Canberra in September 2017

No entry, warning attack dogs on patrol sign in Natal, South Africa

No entry, warning attack dogs on patrol sign in Natal, South Africa in January 2015

Cameraman video surveillance at a house in Parkhurst, Johannesburg, South Africa

Cameraman video surveillance at a house in Parkhurst, Johannesburg, South Africa in February 2015

Locked up plastic chairs at the Wimpy fast food restaurant at the Marine Parade, Durban, KwaZulu-Natal, South Africa

Locked up plastic chairs at the Wimpy fast food restaurant at the Marine Parade, Durban, KwaZulu-Natal, South Africa in February 2015

The foyer of the National Gallery of Australia in Canberra

The foyer of the National Gallery of Australia in Canberra in March 2016

Barb wire fence at Warner Beach, Amanzimtoti, KwaZulu-Natal, South Africa

Barb wire fence at Warner Beach, Amanzimtoti, KwaZulu-Natal, South Africa in February 2015

Electric fence in Umhlanga, KwaZulu Natal, South Africa

Electric fence in Umhlanga, KwaZulu Natal, South Africa in February 2015

Sign at the entrance to a pawn shop with burgler bars at Warner Beach, Amanzimtoti, KwaZulu Natal, South Africa. "If you enter this shop please control your children. No touching"

Sign at the entrance to a pawn shop with burgler bars at Warner Beach, Amanzimtoti, KwaZulu Natal, South Africa in February 2015. "If you enter this shop please control your children. No touching"

Armed response security sign on a fence at at Warner Beach, Amanzimtoti, KwaZulu Natal, South Africa

Armed response security sign on a fence at at Warner Beach, Amanzimtoti, KwaZulu Natal, South Africa in February 2015

Smile, you are being monitored on camera in Port Stephens, New South Wales

Smile, you are being monitored on camera in Port Stephens, New South Wales in February 2012

Barred apartments in Bnagkok

An apartment building in Sathorn, Bangkok, Thailand, in September 2012

Open but closed!

An open sign at the entrance to a closed shop in Had Yai, Thailand in February 2012.

Secure apartments

Secured apartments in Bangkok, Thailand in January 2012.

The third eye

Super awesome shop sign in Jonson Street, Byron Bay in February 2012

Shop keeper

Man in a shop on Moon Mueang road in Chiang Mai, Thailand in June 2011

Caged family

A mother and her baby in an apartment off Kyee Myindaing Kanner Road in Yangon, Burma in August 2010

VIP man

Security guard on a VIP bicycle in Lumphini Park, Bangkok, Thailand, in June 2011

NZ spies

New Zealand Security Intelligence Service 10th anniversary mug taken in Canberra in May 2011

Tresspassing prohibited

Trespassing on Commonwealth land sign in north Canberra in March 2011