A Japanese couple has faced heavy criticism in their home country after being detained and deported for taking photos with exposed buttocks at China's Great Wall.

Two Japanese tourists were detained in China following a "prank" at the Great Wall that sparked public outrage.

Two Japanese tourists in their 20s were detained for two weeks in China, then deported, for taking photos showing an exposed buttocks at the Great Wall, local media reported.

Tokyo: Two Japanese tourists in their 20s were detained for two weeks in China and later deported for taking inappropriate photos at the Great Wall, according to local media reports.

Two Japanese tourists were detained in China after one exposed himself on the Great Wall, causing outrage in Japan and raising concerns about declining Japanese morals.