A Large Technical System (LTS) is a system or network of enormous proportions or complexity. The study of LTS is a subdiscipline of the History of Science and Technology, very popular in the 1990s.
... artist, explorer
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Sir Francis Younghusband, (1863-1942), India and Tibet
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Zhang Qian[?] - spent 12 years starting in 138 BC exploring much of Central Asia for Emperor ...