Valmiki Ramayana Ayodhya Kanda Sarga 91 Shloka 42

तासाम् those rivers, उभयतः कूलम् on both the banks, पाण्डुमृत्तिलेपनाः plastered with white clay, ब्रह्मणः Brahma, प्रसादजाः produced by the grace, दिव्याः celestial, रम्याः charming, आवसधाश्च houses appeared.

On both the banks of those rivers, charming, celestial houses plastered with white clay appeared by the grace of Brahma.