The Pinyin final "ou1" is used in the second half of Pinyin syllables. In MandarinBanana's mnemonic system, the second half of a Pinyin syllable is always represented by a location. You can visit the Pinyin index to see all Pinyin syllables from this mnemonic group, or to see all Pinyin syllables "ou1" can appear in.
Perched on the edge of a rugged cliff, a small blue plastic outhouse stands against the vast expanse of the ocean. Its weathered paint glows under the sunlight, contrasting sharply with the deep blues of the sea and sky. Waves crash far below, and the wind whips around it, giving the lonely structure an oddly heroic, almost whimsical presence on the precipice.