10Sydney Harbour Bridge, Australia
Sydney Harbour Bridge’s construction began in 1924, and took a staggering 8 years to stand in its imposing current form. After $6.61 million, 1,400 men and 53,000 steel tones, the bridge is one of the planet’s most widely recognized structures. The bridge was first proposed in the early 19th century to connect Sydney’s south and north shore.
Very inspiring