Secret Photography
Secret Filming
noun, verbal noun
とうさつ
監視 (かんし) Surveillance, Observation, Monitoring
盗撮 (とうさつ) Secret Photography, Secret Filming
盗聴 (とうちょう) Wiretapping, Bugging, Listening In
傍受 (ぼうじゅ) Monitoring, Interception, Tapping
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