The silver-haired woman was one of more than 50 netizens who got the chance to visit the country's top court, which is located just a few hundred meters from Tian'anmen Square.
The judicial organ, not usually open to the public, opened its doors for the first time to netizens on its annual open day, which falls on Dec 4.
The Supreme People's Court has invited the public to tour the building on its annual open day since 2009. Last December, young people were invited as guests.
He Nenggao, director of the top court's media office, said inviting netizens to visit the court is meant to promote judicial transparency and indicates a willingness by the court to take online public opinion seriously.
Wearing a camera around her neck, Duan was busy looking around and taking photos during the visit.
"I'll post the pictures on my blog and share the experience with more netizens," she said.
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