<prompt> Translate the following text to EnglishMiti hiyo huondolewa magamba yake yenye thamani kila baada ya miaka kumi hivi, na shina lake huwa na rangi ya kahawia-nyekundu hadi magamba hayo yanapoanza kukua tena.  <response>: The cork oaks are stripped of their valuable bark every ten years or so, baring a ?russet-brown trunk until the cork grows back again. 