A monolith placed in the Utah wilderness in November 2020. New clues have surfaced in the disappearance of the gleaming monolith that seemed to melt away as mysteriously as it appeared in the red-rock desert. A Colorado photographer told a TV station in Salt Lake City that he saw four men push over the hollow, stainless steel structure last Friday night. (Photo by Terrance Siemon/AP Photo)

A professional training in explosive disposal is held in Nanning, Guangxi, China on 18th February, 2021. (Photo by Top Photo Corporation/Rex Features/Shutterstock)

People visit the art installation “Machine Memories: Space” by Turkish artist Refik Anadol in the exhibition at Pilevneli Art Gallery in I​stanbul, Turkey, 22 March 2021. The exhibition runs until 25 April. (Photo by Sedat Suna/EPA/EFE)

Members of the media document a damaged train carriage extracted from a tunnel after the deadly train derailment north of Hualien, Taiwan on April 6, 2021. (Photo by Ann Wang/Reuters)

An Iraqi special forces Counter Terrorism Service (CTS) member screams during a battle against Islamic State group jihadists (IS) in Mosul's al-Rifaq neighbourhood on January 8, 2017, as an ongoing military operation against the militants continues. Elite Iraqi forces battling the Islamic State group in eastern Mosul reached the Tigris River that splits the city in two for the first time, a spokesman said. (Photo by Dimitar Dilkoff/AFP Photo)

Models present creations during the Monse and Oscar de la Renta Autumn/Winter 2017 collection during New York Fashion Week in the Manhattan borough of New York, U.S., February 13, 2017. (Photo by Brendan McDermid/Reuters)

A young couple rest on a bench, as a street actor wearing an Angel costume speaks on the phone in Nikolskaya street near the Kremlin in Moscow, Russia, Wednesday, March 31, 2021. (Photo by Alexander Zemlianichenko/AP Photo)

English singer and songwriter Dua Lipa performs during the Brit Awards 2021 at the O2 Arena, London, Tuesday, May 11, 2021. (Photo by Ian West/PA Wire via AP Photo)