The dam wall and roadway at the Hume Dam on the Murray River outside Albury

The dam wall and roadway at the Hume Dam on the Murray River outside Albury in December 2018

The observation tower under construction in Roi Et, Thailand

The observation tower under construction in Roi Et, Thailand in November 2019

A very narrow building under construction in Roi Et, Thailand

A very narrow building under construction in Roi Et, Thailand in November 2019

Building an elevated railway line in Bangkok, Thailand

Building an elevated railway line in Bangkok, Thailand in August 2017

Construction cranes at Darling Harbour, Sydney

Construction cranes at Darling Harbour, Sydney in September 2017

A skyscraper being built by the Chao Praya River in Bangkok, Thailand

A skyscraper being built by the Chao Praya River in Bangkok, Thailand in June 2016

No pedestrian access sign in English and Chinese at a construction site in Chinatown, Sydney

No pedestrian access sign in English and Chinese at a construction site in Chinatown, Sydney in September 2017

Construction site sign in Bruce Canberra. Instant dismissal from site if not wearing hard hats and vests beyond this point

Construction site sign in Bruce Canberra in February 2010. Instant dismissal from site if not wearing hard hats and vests beyond this point

New apartment block under construction in Civic, Canberra

New apartment block under construction in Civic, Canberra in May 2016

A building covered in fabric under construction in Kyoto, Japan

A building covered in fabric under construction in Kyoto, Japan in March 2015

Construction workers on a smoko break in Wellington, New Zealand

Construction workers on a smoko break in Wellington, New Zealand in January 2017

Buildings and fishing boats in Kuching, Sarawak, Borneo, Malaysia

Buildings and fishing boats in Kuching, Sarawak, Borneo, Malaysia in  January 2012

Building the skytrain elevated railway tracks in Bangkok, Thailand in May 2016

Building the skytrain elevated railway tracks in Bangkok, Thailand in May 2016

Mosque under repair in Istanbul, Turkey

Mosque under repair in Istanbul, Turkey in January 2016

Roadworks on the road to the Ton Tae waterfall outside Trang, Thailand

Roadworks on the road to the Ton Tae waterfall outside Trang, Thailand in May 2016

Excavation work in Randwick, Sydney

Excavation work in Randwick, Sydney in February 2016

House renovations at Waverley, Sydney

House renovations  at Waverley, Sydney in October 2015

Apartment blocks undergoing renovation reflected in a skyscraper building in Tsuen Wan, Hong Kong

Apartment blocks undergoing renovation reflected in a skyscraper building in Tsuen Wan, Hong Kong in September 2012

Men on steel girders in Bangkok

Men on steel girders in Bangkok in January 2012

Construction workers on a building site in Bangkok

Construction workers on a building site in Bangkok in January 2012