Prince Harry stepped out in London after his family relocated to the United Kingdom last month.
He reportedly filmed a "mystery project" at Tower Bridge Studios.
The Duke of Sussex, his wife Meghan Markle, and their kids arrived back in England on August 26.
Prince Harry's first order of business following his family's return to the United Kingdom involves a "mystery project." On September 7, the Duke of Sussex stopped by Tower Bridge Studios in London.
Harry signed his name on the company's wall in a new Instagram photo posted on their account.

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