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  2. List of leaning towers - Wikipedia

    en.wikipedia.org/wiki/List_of_leaning_towers

    The Leaning Tower of Pisa, Italy, an iconic leaning tower. This is a list of leaning towers.A leaning tower is a tower which, either intentionally or unintentionally (due to errors in design, construction, or subsequent external influence such as unstable ground), does not stand perpendicular to the ground.

  3. Block-stacking problem - Wikipedia

    en.wikipedia.org/wiki/Block-stacking_problem

    The first nine blocks in the solution to the single-wide block-stacking problem with the overhangs indicated. In statics, the block-stacking problem (sometimes known as The Leaning Tower of Lire (Johnson 1955), also the book-stacking problem, or a number of other similar terms) is a puzzle concerning the stacking of blocks at the edge of a table.

  4. List of tallest structures built before the 20th century

    en.wikipedia.org/wiki/List_of_tallest_structures...

    Clifton Hill Shot Tower: Melbourne: Australia: 256: 78: 1882: The Clifton Hill Shot Tower held the title of Australia's tallest structure from its construction until 1930. The landmark has been proclaimed as the world's tallest shot tower by Guinness World Records. [3] Municipal Corporation Building: Bombay (now Mumbai) India 255 77.7 1893 ...

  5. Engineers solve the mystery of the still-standing Leaning ...

    www.aol.com/news/2018-05-09-engineers-solve-the...

    The Leaning Tower of Pisa is notable for its pronounced slant, but also because, despite that precarious state, it’s managed to stay standing through four or more significant earthquakes.

  6. Alexandria, Pennsylvania - Wikipedia

    en.wikipedia.org/wiki/Alexandria,_Pennsylvania

    In 1793 this area was laid out into town lots and named Alexandria, with the street near the site of the log name Hartslog Street. Today the name remains for Hartslog Street as well as the region — "Hartslog Valley." The Hartslog Museum located on the second floor of the library in Alexandria is open one weekend a month and on Hartslog Day.

  7. Italy races to stop leaning tower from collapsing

    www.aol.com/italy-races-stop-leaning-tower...

    The 48-meter (158 feet) Garisenda tower was built in the 12th century, during a boom period of the northern city’s history, but two centuries later it had already begun to tilt.

  8. Lighthouse of Alexandria - Wikipedia

    en.wikipedia.org/wiki/Lighthouse_of_Alexandria

    Pharos was a small island located on the western edge of the Nile Delta.In 332 BC, Alexander the Great founded the city of Alexandria on an isthmus opposite Pharos. . Alexandria and Pharos were later connected by a mole [6] spanning more than 1,200 metres (0.75 miles), which was called the Heptastadion ("seven stadia"—a stadion was a Greek unit of length measuring approximate

  9. The Leaning Tower of Pisa was once tilting dangerously ... - AOL

    www.aol.com/news/leaning-tower-pisa-once-tilting...

    In an attempt to straighten the tower, the top three floors curved in the opposite direction of the lean. The tower was completed in the middle of the 14th century, when the belfry was added.