Workers hanging on ropes and wipes the exterior windows of a business skyscraper - attaching a device on the glass - industrial alpinism - overcast weather
A man worker in yellow work clothes hanging on ropes and wipes the exterior windows of a business skyscraper - industrial alpinism - overcast weather
A man worker hanging on ropes and wipes the exterior windows of a business skyscraper - industrial alpinism
A man worker in yellow work clothes hanging on ropes and wipes the exterior windows of a business skyscraper out of the dirt - industrial alpinism - overcast weather
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 - holding by the device attached on the glass - industrial alpinism - overcast weather
A man worker hanging on ropes by the exterior windows of a skyscraper and cleaning them - industrial alpinism
A man worker hanging on ropes by the exterior windows of a business skyscraper and cleaning them - industrial alpinism
Three men workers hanging on ropes and cleaning the exterior glass windows of a business skyscraper after rain - autumn time and overcast weather
Two men workers cleaning the exterior windows of a skyscraper - industrial alpinism
Professional washing of exterior windows of skyscrapers. A man in protective gear hanging from safety ropes washes the windows of a
industrial climbers are washing windows of skyscrapers