45678849's Activity (18)
45678849 added a news bookmark.Once underground mines have served their purpose, most are sealed and forgotten. The 2000-year-old Salina Turda Salt Mine in the city of Turda, Romania was no exception. The min...Over 4 years ago
45678849 added a news bookmark.The massive methane gas leak that has been plaguing some Southern California residents since October 2015 has finally been sealed. The announcement that was accompanied by the r...Over 4 years ago
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