Following the release of HBO's hit TV series Chernobyl, tourists are being urged to show respect at the site of the world's worst nuclear disaster. "Respect to all who suffered there and sacrificed their lives", wrote Mazin.
Another Instagrammer posted a photo of himself flexing his muscles and kicking up his leg while wearing a sock with no shoe.
"The (expletive) people do for attention", one user commented, while another called the photo "pathetic".
The miniseries that recounts the true story of the catastrophic nuclear accident in 1986 has fuelled a tourism boom. Up to 115,000 people are thought to have died of radiation-related illnesses.
Instagram users visiting Chernobyl are facing harsh criticism for sharing insensitive photos from the site of the incident.
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"While "Game of Thrones" may serve as a great ambassador for the HBO brand, there is still lots of other highly acclaimed HBO content, ranging from dramas such as "Westworld" and "Chernobyl" to comedies like "Barry" and 'Silicon Valley, '" Toby Holleran, a senior analyst at Ampere Analysis, recently told Business Insider.
Mazin tweeted the reminder when a tweet about "Instagram influencers flocking to the site of the disaster" went viral over the weekend, collecting more than 40,000 likes due to the perceived dissonance of the tragic event and the seemingly tone-deaf photos taken there.
He tweeted on Wednesday: "It's wonderful that #ChernobylHBO has inspired a wave of tourism to the Zone of Exclusion". It isn't safe to live there, but by signing up for a tour you can visit the area surrounding the power plant.
Much of the area has been open to tourists since 2011, but the HBO series appears to have encouraged a new breed of visitor.
SoloEast, a company offering Chernobyl tours that saw a 30 per cent increase in bookings in the wake of the HBO show, said it asked visitors to respect the place - and most were understanding.