The angular glass fronted modern architecture designed by Hadi Teherani, of the Deichtor Center building, Hamburg, Germany, Europe

Some of the 5000 skulls of Khmer Rouge victims in the memorial stupa at the Killing Fields, Choeung Ek, Phnom Penh, Cambodia, Indochina, Southeast Asia, Asia

Chicago River and towers including the glass fronted 333 West Wacker Drive which follows the curve of the river, Chicago, Illinois, United States of America, North America

Coastal building with spiral slides, situated on a seawall overlooking a wavy ocean under a cloudy sky. The structure is multi-colored and features a glass-fronted lower section in Redcar, UK.

A modern glass-fronted building reflects a cloudy sky and surrounding structures. Trees and other buildings are visible in the reflection. The building is multi-storied with a dark frame in Manchester, UK.

Two modern, multi-story buildings with curved facades and numerous windows and balconies. One building is predominantly gray, the other features glass-fronted balconies. The sky is a clear blue in London, UK.

A tall, brick building with a clock tower and green roof, glass-fronted skyscraper under a cloudy sky in Manchester, UK.

Reflections in the futuristic glass-fronted Silken Gran Hotel at Bilbao, Basque country, Spain

Reflections in the futuristic glass-fronted Silken Gran Hotel Domine in Bilbao, Basque country, Spain, Europe

A jet reflected in a glass fronted building in More London Place, London, England, United Kingdom, Europe

New buildings in Dubai, United Arab Emirates, Middle East

A glass fronted building in Salford Quays, Manchester, England, United Kingdom, Europe

Shopping, Supermarket, Food, Elderly couple with shopping trolley looking at frozen goods in glass fronted freezer displays.

Spain, Catalonia, Barcelona, Torre Agbar modern glass fronted tower in the Eixample district.

CANADA, Ontario,Toronto, The CN Tower reflected in Front Street glass fronted building

Ireland, County Dublin, Dublin City, Modern exterior of the Grand Canal Theatre.

Mexico, Federal District, Mexico City, Modern architecture on the Paseo de la Reforma.

Germany, Berlin, Potzdamer Platz, Bahn Tower fronted by a replica of the square's clock.

Window cleaner on the outside of glass fronted office block, Los Angeles