The stimulating concept of 'routes' or 'roads' as vectors of culture constitutes the basis of several study projects undertaken by the United Nations Educational Scientific and Cultural Organization (UNESCO). The first, launched in 1988 under the title 'Integral Study of the Silk Roads: Roads of Dialogue', was a bold and ambitious venture that set to reopen doors to the past, thus shedding new light on the present. Through a vast programme of research that has mobilized scientists, academics and media worldwide, and that has included five expeditions mapping out again both land roads and sea routes.
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