The 'two metaphors' in the question likely refer to comparing the runners to a 'rumbling herd' to indicate their collective power and describing a woman's silhouette with elements of nature to emphasize agility and grace.
The mention of "two metaphors" refers to comparing one thing to another in a figurative, not literal, manner. From the extracts provided, two metaphorical comparisons can be observed:
1. The runners being described as a "rumbling herd" suggests they are being compared to a group of stampeding animals, emphasizing the powerful and collective movement.
2. The graceful silhouette of a woman running is artistically described with various elements of nature and attire, creating a vivid and dynamic image that implies movement and freedom.
Both metaphors evoke strong mental images and convey the intensity of the scenes, allowing the reader to develop a deeper understanding of the narrative.