They need each other for warmth and so they come close, but when they huddle together, they cannot help hurting each other because of their sharp quills.
सबैभन्दा पहिलो यसका ठूला नेताले यो महसुस गर्ने र यस विषयमा केन्दि्रत हुन सके मात्रै हो अन्यथा यो बैठक पनि अलमलमै अन्त हुनेछ ।