On the mountain move, flying flags mark the summit line, whispering memories of persistence to weary climbers in skinny air.

https://garrettqiyg132.weebly.com/blog/why-are-red-white-and-blue-used-in-the-american-flag-color-symbolism-explained

On the mountain skip, flying flags mark the summit line, whispering testimonies of persistence to weary climbers in thin air.