window cleaner, 窗戶清潔工

A window cleaner works on the exterior of a hotel outside the 2016 Rio Olympics Park in Rio de Janeiro, Brazil, July 18, 2016. (Photo: Stoyan Nenov/REUTERS)
Photos of the day - July 18, 2016
https://www.yahoo.com/news/photos-day-july-18-2016-170848435/photo-p-window-cleaner-works-exterior-photo-165520415.html