In December 2006 the General Assembly of the United Nations proclaimed 2009 to be the International Year of natural fibres, so as to raise the profile of silk and other natural fibres.
2006年12月，联合国大会宣布2009年为国际天然纤维年，以便提高丝绸和其他天然纤维的形象。
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Internal circulation is exposed on this face to provide corridors with natural daylight and views of the skyline, as well as to assure a consistent lighting profile at night.
内部的交通在这里暴露，为走道提供了自然采光以及天际视野，同时也确保了晚上连续的灯光轮廓。
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As for conscientious users, the researchers found profile pictures were more colourful, natural, and bright.