Engineers are checking cooling system at rooftop.
Stylish businessman reading smartphone text update on office balcony
White collar worker meeting at high rise tower.
Engineer is working on the rooftop of high rise building.
Engineers work in high rise building.
Group of white collar workers are working and meeting at office.
Germany, Hesse, Frankfurt, young businessman walking on a bridge telephoning with his smartphone
Engineer is working at tower.
Engineers are checking cooling system at rooftop.
Germany, Hesse, Frankfurt, young man taking a picture of the skyline with his smartphone
White collar worker meeting at high rise tower.
White collar workers are working at skyscraper.
White collar workers are working at skyscraper.
White collar worker meeting at high rise tower.
Group of white collar workers are working and meeting at office.
White collar workers are working at skyscraper.
White collar worker meeting at high rise tower.
White collar worker meeting at high rise tower.
Germany, Hesse, Frankfurt, young businessman walking on a bridge using his smartphone
White collar worker meeting at high rise tower.
Engineers work in high rise building.
Engineer is working on the rooftop of high rise building.
Businessman reading smartphone text update on office balcony
White collar worker meeting at high rise tower.
Engineer is working on the rooftop of high rise building.
Germany, Hesse, Frankfurt, young businessman walking on a bridge using his smartphone
White collar worker meeting at high rise tower.
Asian businesswoman in a city
Asian businesswoman in a city
White collar worker meeting at high rise tower.
