Valmiki Ramayana 2.17.18
प्रासादश्पङ्गैर्विविधैः कैलासशिखरोपमैः ।आवारयद्भि र्गनं विमानैरिव पाण्डुरैः॥
prāsādaśpaṅgairvividhaiḥ kailāsaśikharopamaiḥ |āvārayadbhi rganaṃ vimānairiva pāṇḍuraiḥ ||
Our plain-language meaning of this verse is waiting for scholar review.
Open in the book