Or camels?: A similar trick was also used by camels to prevent them from losing moisture as they exhale.
या भनौँ यो यति स्वाभाविक हुन्छ कि कसैले यसमाथि प्रश्न उठाउनु जायज नै ठान्दैन वा यसलाई निरपेक्ष ठान्छ ।