Radical
Sacred

Mnemonic

Once more, the pilgrims kneel and press their foreheads to the earth. They do it once more, and once more again. Why? Because this ground is sacred. Every time they touch the earth, they feel the sacred energy pulse through them, renewing their spirits.
Additional thoughts
Picture pilgrims repeatedly (once more) bowing to touch the earth at a sacred site. The repetition of touching the ground emphasizes reverence — the more you bow to the earth, the more sacred it becomes to you.
Quick recall
Pilgrims touch the earth once more because this ground is sacred.