echo-tourist
n. Traveller who loves sonic reverberations and seeks out canyons, cliffs and similar locales in exotic locations. It can also be applied to a self-centred person who loves the sound of her own voice.
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Hello! Can you hear me!!!? I'm an echo-tourist!
Again. It's a cave. They have mouths, but they cannot speak.
Again. It's a cave. They have mouths, but they cannot speak.