Identifying Personification in Literature

In a tranquil forest, the trees whispered secrets to each other as a gentle breeze danced through their branches. One tree, standing tall and wise, beckoned the sunlight to play upon its leaves. Nearby, a brook babbled merrily, sharing stories of its journey through the rocky glen. As the sun began to set, the shadows stretched and yawned, welcoming the night with open arms. In this serene setting, the forest was alive, each element displaying a unique personality.

In this passage, which phrase demonstrates the use of personification?