Intake towers of Hoover Dam in Lake Mead on the Arizona side.
High Voltage Cascade Transformers (for alternating current) installation close to Russian city of Istra. Photo: Avi_Abrams
Huge ultra high-voltage test bench (popularly known as a “Tesla’s set”) installation close to Russian city of Istra. Photographer: Dmitry Mordolff
Blast Furnace works in Duisburg. The furnace was shut down in 1985.
The Liban Quarry in Krakow, Poland
Coops Shot Tower, Melbourne, Australia was built in 1889-90 and was used to make lead shot. Saved from demolition, it was incorporated into the Melbourne Central complex which opened in 1991.
ps10 solar tower in operation, southern spain.