Valmiki Ramayana 7.18.25
नीलाः किल पुरा बर्हा मयूराणां नराधिप ।सुराधिपाद्वरं प्राप्य गताः सर्वे ऽपि बर्हिणः॥
nīlāḥ kila purā barhā mayūrāṇāṃ narādhipa |surādhipādvaraṃ prāpya gatāḥ sarve 'pi barhiṇaḥ ||
Our plain-language meaning of this verse is waiting for scholar review.
Open in the book