The Duke and Duchess of Cambridge stepped out on the town for the sake of art.

On Monday, Prince William and Kate Middleton tour locations around London where photos from the coronavirus lockdown were being exhibited as part of the duchess’ Hold Still project.

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The royal couple had their masks on as they toured Waterloo in South London and met with community Food Hub volunteer Sami Massalami Mohammed Elmassalami Ayad, who is the subject of a photo titled “Sami”.

“The duchess called me a few weeks ago and we had such a lovely conversation,” Ayed said, according to Hello!. “She told me how she wanted to build a snapshot of how Britain was coping in the pandemic, but to show all sides of what people have gone through and are still going through. The duchess came across as really caring and dedicated, I was so impressed she took the time to call me.”

Middleton launched the Hold Still project in May, in partnership with the National Portrait Gallery.

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The project invited people of all ages to send in a photographic portrait taken during lockdown, with the aim of telling the story of the pandemic through the eyes of those affected.

“We’ve all been struck by some of the incredible images we’ve seen, which have given us an insight into the experiences and stories of people across the country,” Kate said in a statement at the time. “Some desperately sad images showing the human tragedy of this pandemic and other uplifting pictures showing people coming together to support those more vulnerable.”