Vietnamese worker setting up scaffolding on a construction site, Tan Chau, Vietnam

The minaret, Kasbah Mosque, El-Mansour Mosque, UNESCO, tourist gifts, structural support, Marrakesh, Morocco

Interior of Juma Mosque, also known as Juma Masjidi Va Minorasi, Ichan Kala, Khiva, Uzbekistan

The Jome Mosque, in the Ark Fortress, Registan Square, Bukhara, Uzbekistan

The disused Steetley Pier was built to serve the former Hartlepool Magnesia Works which has now been demolished, Hartlepool, County Durham, England

Stormy sky and the repeating view of the cement columns under the iconic Scripps Pier in the Pacific Ocean near San Diego; La Jolla, San Diego County, California, United States of America

The long expanse of the iconic Scripps Pier in the Pacific Ocean near San Diego on a grey day; La Jolla, San Diego County, California, United States of America

Close-up view of the iconic Colosseum against a blue sky, showing a marble plaque above the East Entrance dedicated to Christian martyrs; Rome, Lazio, Italy