Courmayeur, Italië - 29 juli, 2016:eager klimmer oefenen voordat omhoog naar Mount Blanc - Stockfoto’s en -afbeeldingen

Horizontal snapshot of solar module ground mounting maintaining solar batteries and worker on ladder installing panels. Low angle view. Concept of renewable resources

Industrial climbers are applying silicone to rubber juncture among building's glass facade.

A construction workers wearing safety harness working at high level at the construction site in Selangor, Malaysia on December 31, 2014

Togliatti, Samara Oblast / Russia - May 30, 2013: Facade window installation. Male industrial builder workers at facade glazing

Working at the construction site

Seville, Spain - July 04, 2022 The Metropol Parasol, popularly linked to the name of Las Setas, is the largest wooden structure of the world, offering a panoramic view of the town of Seville

Bergamo Italy 12 September 2019: Workers working on elevating platform while restoring the lighting lamps of the Bergamo stadium