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35225 facts from 177 countries related to 1198 phenomena have been registered in Archive. 2834 of them were solved, another 11033 are under verification for compliance with one of the 322 versions.

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This section contains descriptions of unexplained facts provided by eyewitnesses or published in the media, as well as the results of their analysis by the group.

Ghost. United States

ID	#1699262464
Added	Mon, 06/11/2023
Author	July N.
Sources	reddit.com
Phenomena	Ghost
Status	Investigation

Initial data

Initial information from sources or from an eyewitness

Incident date:

2021

Location:

Траверс-Сити, MI

United States

Tunnels of Traverse City State Hospital, 2021

Photographed it in underground tunnels during a bachelorette party in 2021.

Original news

Accessible_abelism

Traverse City State Hospital Tunnels 2021

Snapped this in the underground tunnels during my bachelorette party in 2021.

Type:

Photo

Phenomena:

Ghost

Source:

reddit.com

Hypotheses

List of versions containing features matching the eyewitness descriptions or material evidence

Objects in motion, captured on a long exposure

Most often this artifact is called skayfish if the lens gets a passing bird or insect. It is based on the discrepancy between the speed of the video and the frequency of the flapping of insect wings. Essentially, each video drops a few strokes of the wings of an insect, which when viewed looks like "arrow", provided with long protuberances. The motion of the insect by its translucent body seems to "boom" and vibration of the wings give the appearance of bumps.