A man worker hanging on ropes and wipes the exterior windows of a business skyscraper - industrial alpinism
A man worker hanging on ropes by the exterior windows of a business skyscraper and cleaning them - industrial alpinism
A man worker hanging on ropes and wipes the exterior windows of a business skyscraper - industrial alpinism - overcast weather
Two men workers cleaning the exterior windows of a skyscraper - industrial alpinism
A man worker hanging on ropes by the exterior windows of a skyscraper - industrial alpinism
A man worker in yellow work clothes hanging on ropes and wipes the exterior windows of a business skyscraper - industrial alpinism - overcast weather
Workers hanging on ropes and wipes the exterior windows of a business skyscraper - attaching a device on the glass - industrial alpinism - overcast weather
Construction workers on a suspended platform on a skyscraper
Asian Construction Workers Building Skyscraper
A man worker hanging on ropes by the exterior windows of a skyscraper and cleaning them - industrial alpinism
silhouette of a business man against the window of a skyscraper.
Construction workers on a suspended platform on a skyscraper