Valmiki Ramayana Kishkindha Kanda Sarga 33 Shloka 8
Original Shlokaविन्ध्यमेरुगिरिप्रख्यै: प्रासादैर्नैकभूमिभिः। ददर्श गिरिनद्यश्च विमलास्तत्र राघवः।।4.33.8।।
1 source checked for this shloka
राघवः Lakshmana, तत्र there, नैकभूमिभि: tall buildings, विन्ध्यमेरूगिरिप्रख्यै: like the Vindhya and Meru mountains, प्रासादै: buildings, विमलाः pure, गिरिनद्यश्च mountain streams, ददर्श saw.
Lakshmana saw tall buildings comparable to Vindhya and Meru mountains and pure water flowing from the mountain streams.