SCP-057 is a subterranean containment chamber containing shifting, slate-colored monoliths that require continuous, purposeful movement from any human subject within. Failure to maintain motion results in immediate crushing. This manifest reviews the anomaly's discovery and documents critical failures in initial threat assessment and D-class testing protocols.

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The following sources are licensed under CC BY-SA.

- 'SCP-057' by HLewis and NWalston: https://scp-wiki.wikidot.com/scp-057

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"Dopplerette" by Kevin MacLeod (incompetech.com)

Licensed under Creative Commons: By Attribution 4.0

https://creativecommons.org/licenses/by/4.0/