A video posted to YouTube shows a group of people illegally entering an abandoned Green Line tunnel, and now the Massachusetts Bay Transportation Authority is looking for answers.Watch the reportThe video, posted by "Exploring with Josh," appears to be professionally edited. The 8-minute clip shows a group of young people gaining access to an abandoned section of the T, making no effort to disguise themselves in the process.Watch the video here"Right now, I'm walking through my first ever abandoned subway tunnel system," an unidentified trespasser said on the video. "Never been in one in my life."The group of at least four people shines flashlights on graffiti, water-covered tracks and the long, abandoned tunnels.The video shows old objects like a dust-covered stroller, trash and decades of dust.The trespassers don't cause any damage in the video, but instead just explore. Regardless, the video raises the questions: What if someone were to get hurt in the tunnel, and what if the next group of trespassers have a more malicious intention?"Transit police monitor social media daily and are aware of it," the MBTA said in a statement. "Detectives are reviewing the video and investigating. Trespassing in an abandoned tunnel is not only prohibited, but it also poses a risk to one's personal safety."NewsCenter 5 reached out to the person who posted the video for a comment, but has not heard back. 42363160Get the WCVB News App

A video posted to YouTube shows a group of people illegally entering an abandoned Green Line tunnel, and now the Massachusetts Bay Transportation Authority is looking for answers.

Watch the report

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The video, posted by "Exploring with Josh," appears to be professionally edited. The 8-minute clip shows a group of young people gaining access to an abandoned section of the T, making no effort to disguise themselves in the process.



Watch the video here

"Right now, I'm walking through my first ever abandoned subway tunnel system," an unidentified trespasser said on the video. "Never been in one in my life."



The group of at least four people shines flashlights on graffiti, water-covered tracks and the long, abandoned tunnels.



The video shows old objects like a dust-covered stroller, trash and decades of dust.



The trespassers don't cause any damage in the video, but instead just explore. Regardless, the video raises the questions: What if someone were to get hurt in the tunnel, and what if the next group of trespassers have a more malicious intention?



"Transit police monitor social media daily and are aware of it," the MBTA said in a statement. "Detectives are reviewing the video and investigating. Trespassing in an abandoned tunnel is not only prohibited, but it also poses a risk to one's personal safety."



NewsCenter 5 reached out to the person who posted the video for a comment, but has not heard back.