Pilgrims flock to the ‘Knotted Grotto’ before Pope Francis’ visit to Philly [video]

    Thousands of people have visited the “Knotted Grotto” outside the Cathedral Basilica of Sts. Peter and Paul in Philadelphia to write down a prayer or a struggle.

    Listen as artist Meg Saligman describes the public art project. Or read the full story by WHYY/NewsWorks’ reporter Peter Crimmins: In honor of Francis, ‘Knotted Grotto’ offers ties that bind among prayers, struggles

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