Dizi (Chinese Bamboo Flute), is a side-blown wind instrument made of bamboo, it has a very simple structure: one blow hole, one membrane hole, six finger holes and two pairs of holes in the end to correct the pitch and hang ornaments. 90 more words
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A free course by Alejandro Garcia for Physics
This is the announcement video.
The British Council, the world’s most prestigious English school, is now offering a free online IELTS course.
Anyone thinking of doing the IELTS test should sign up for this course, but it would also be useful for anyone wanting to improve their English skills. 200 more words
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