Valmiki Ramayana Yuddha Kanda Sarga 22 Shloka 64

वानराः Vanaras, पुष्पिताग्रैः trees with blossoms on top, तरुभिः creepers, सेतुम् for the bridge, बध्नन्ति binding दानवसन्निभा like the Danavas, गिरिप्रख्यान् like the huge mountains, पाषाणांश्च boulders also, गिरीणाम् mountains, शिखराणिच tops, गृह्य seizing, परिधावन्त running, दृश्यन्ते were found.

The Vanaras who were like Danavas, huge mountains in size were seen seizing boulders from the mountain, the trees with blossoms, and creepers for binding the bridge and running.