Verse 11

कस्यांचिद्भूरभूत्सृष्टौ नीरन्ध्रतरुसंकटा ।कस्यांचिन्नरनीरन्ध्रा कस्यांचिद्भूधरावृता

In plain words

In one creation the earth was thick, without a gap, crowded with trees; in another it was packed dense with men; in another it lay covered over with mountains.