Prince Harry jogs for homeless youth in London, takes a moment to admire photo of Princess Diana: Pics!

Prince Harry is breaking a sweat for a good cause.

The 32-year-old royal visited The Running Charity on Thursday in London, England, where he participated in a training session with the organization. Harry took to the streets of London for a 2km run, and combatted the cold by sporting layers of exercise-wear.

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Harry also smiled big while doing a few squats.

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Later, he adorably admired a black-and-white picture of his mother, the late Princess Diana, which hung on a wall inside the charity's headquarters.

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The Running Charity uses running to improve the lives of 16 to 25-year-olds who are homeless or at risk of homelessness.

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Clearly, bringing awareness to charities is a shared passion for both Harry and his girlfriend, 35-year-old actress Meghan Markle. Meghan was snapped arriving at Mumbai Airport in India on Saturday, after visiting Delhi, where she spent time promoting young women's health for World Vision Canada. Meanwhile, on Monday, Harry visited the Help for Heroes Recovery Center in Tidworth, England, where he met with war veterans and spoke about the importance of psychological well-being for men and women who have been injured in the line of duty.

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