Skyscraper shorter than the W350 Project despite having 10 more stories. Wooden skyscrapers are estimated to be around a quarter of the weight of an equivalent reinforced-concrete structure as well as reducing the building carbon footprint by 60–75%. Buildings have been designed using cross-laminated timber (CLT) which gives a higher rigidity and strength to wooden structures. CLT panels are prefabricated and can therefore speed up building time. Skyscraper A skyscraper is a continuously habitable high-rise building that has over 40 floors and is taller than approximately . Historically, the term first referred to buildings with 10 to 20 floors in the
Otto's encyclopedia Otto's encyclopedia Otto's encyclopedia ( or ), published at the turn of the 20th century, is the largest encyclopedia written in the Czech language. For its scope and the quality of the writing, it is comparable to the greatest world encyclopedias of its time, such as "Encyclopædia Britannica". At the beginning of the 1880s, Jan Otto, a Czech book-seller and publisher, began planning a new general Czech encyclopedia. He was inspired by the first Czech encyclopedia by F. L. Rieger, a fourteen-volume work published between 1860 and 1874, but wanted to go further. For a long time Otto could not