In fact, more than 70 whistled languages may exist, and at least 12 have been studied. We cannot help but marvel at human creativity.
माना जाता है कि करीब 70 से ज़्यादा सीटी भाषाएँ हैं और तकरीबन 12 सीटी भाषाओं का अध्ययन किया गया है ।