The dam wall on the Murray River downstream of the Hume Dam outside Albury

The dam wall on the Murray River downstream of the Hume Dam outside Albury in December 2018

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

A very narrow building under construction in Roi Et, Thailand

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

A concrete car park in Sydney

A concrete car park in Sydney in January 2018

A bridge over a highway in Rosebank, Johannesburg, South Africa

A bridge over a highway in Rosebank, Johannesburg, South Africa in February 2015

A drab concrete building at Khao Lak, Thailand

A drab concrete building at Khao Lak , Thailand in May 2016

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

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

The elevated freeway in Bangkok, Thailand

The elevated freeway in Bangkok, Thailand in May 2016

A concrete apartment block in Kuching, Sarawak, Malaysia

A concrete apartment block in Kuching, Sarawak, Malaysia in January 2012

Concetre electricity pylon

A concrete electricity pylon in Bruce, Canberra in December 2011

Walking along the lake

A concrete structure in Lake Ginninderra, Canberra, in May 2009

Construction workers

Construction work in Santichon Village north west of Pai in northern Thailand in December 2009