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  2. Revolving door - Wikipedia

    en.wikipedia.org/wiki/Revolving_door

    Diagram of a revolving door, viewed from above. Around the central shaft of the revolving door, there are usually three or four panels called wings or leaves.Large diameter revolving doors can accommodate pushchairs and wheeled luggage racks - such large capacity doors are sometimes H-shaped to split the circle into only two (hence larger) parts.

  3. List of bridges with buildings - Wikipedia

    en.wikipedia.org/wiki/List_of_bridges_with_buildings

    Other covered bridges in Germany, [5] the United States, and elsewhere might be seen as "buildings" in that their roof protects an enclosed area, but the purpose of the covering is to preserve the structure and the enclosed space is primarily for traffic to pass through. The term "covered bridges" is also used for structures in China such as ...

  4. Brandenburg Gate - Wikipedia

    en.wikipedia.org/wiki/Brandenburg_Gate

    The Brandenburg Gate (German: Brandenburger Tor [ˈbʁandn̩ˌbʊʁɡɐ ˈtoːɐ̯] ⓘ) is an 18th-century neoclassical monument in Berlin.One of the best-known landmarks of Germany, it was erected on the site of a former city gate that marked the start of the road from Berlin to Brandenburg an der Havel, the former capital of the Margraviate of Brandenburg.

  5. Howe truss - Wikipedia

    en.wikipedia.org/wiki/Howe_truss

    Two or more holes are cast through the center of the angle block, to allow the vertical posts to pass through and be anchored on the other side of the chord. [1] End panels are the four panels on either side of the end of a Howe truss bridge. These should be the same height as the chords, but not more. [12]

  6. Bailey bridge - Wikipedia

    en.wikipedia.org/wiki/Bailey_bridge

    Another solution is to stack the panels vertically. With three panels across and two high, the Bailey Bridge can support tanks over a 200-foot span (61 m). Footways can be installed on the outside of the side-panels. The side-panels form an effective barrier between foot and vehicle traffic, allowing pedestrians to safely use the bridge. [4]

  7. Queensboro Bridge - Wikipedia

    en.wikipedia.org/wiki/Queensboro_Bridge

    The Queensboro Bridge, officially the Ed Koch Queensboro Bridge, is a cantilever bridge over the East River in New York City.Completed in 1909, it connects the Long Island City neighborhood in the borough of Queens with the East Midtown and Upper East Side neighborhoods in Manhattan, passing over Roosevelt Island.

  8. AOL Mail

    mail.aol.com

    Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

  9. Zhangjiajie Glass Bridge - Wikipedia

    en.wikipedia.org/wiki/Zhangjiajie_Glass_Bridge

    The bridge was designed by Israeli architect Haim Dotan. [2] To build the bridge, engineers erected four support pillars on the edges of the walls of the canyon. The bridge is made of a metal frame with more than 120 glass panels. Each of these panels is three-layered and is a 5.1-centimetre-thick (2 in) slab of tempered glass.