RELIGION

Knotty art installation planned for pope's visit to Philadelphia symbolizes life's challenges

  • In this Friday, May 22, 2015, photo, artist Meg Saligman pushes a mock-up of an art installation at her studio in Philadelphia. The installation is planned to be in the shape of a latticed grotto and will greet Pope Francis and millions of others when they travel to Philadelphia this fall. Visitors will be invited to leave their own problems behind in the form of knots affixed to its walls, or help others by loosening and removing a knot already in place. (AP Photo/Matt Slocum)

    In this Friday, May 22, 2015, photo, artist Meg Saligman pushes a mock-up of an art installation at her studio in Philadelphia. The installation is planned to be in the shape of a latticed grotto and will greet Pope Francis and millions of others when they travel to Philadelphia this fall. Visitors will be invited to leave their own problems behind in the form of knots affixed to its walls, or help others by loosening and removing a knot already in place. (AP Photo/Matt Slocum)  (The Associated Press)

  • In this Friday, May 22, 2015, photo, artist Meg Saligman talks about a mock-up of an art installation with a reporter at her studio in Philadelphia. The installation is planned to be in the shape of a latticed grotto and will greet Pope Francis and millions of others when they travel to Philadelphia this fall. Visitors will be invited to leave their own problems behind in the form of knots affixed to its walls, or help others by loosening and removing a knot already in place. (AP Photo/Matt Slocum)

    In this Friday, May 22, 2015, photo, artist Meg Saligman talks about a mock-up of an art installation with a reporter at her studio in Philadelphia. The installation is planned to be in the shape of a latticed grotto and will greet Pope Francis and millions of others when they travel to Philadelphia this fall. Visitors will be invited to leave their own problems behind in the form of knots affixed to its walls, or help others by loosening and removing a knot already in place. (AP Photo/Matt Slocum)  (The Associated Press)

  • In this Friday, May 22, 2015, photo, artist Meg Saligman shows knots tied to a mock-up of an art installation at her studio in Philadelphia. The installation is planned to be in the shape of a latticed grotto and will greet Pope Francis and millions of others when they travel to Philadelphia this fall. Visitors will be invited to leave their own problems behind in the form of knots affixed to its walls, or help others by loosening and removing a knot already in place. (AP Photo/Matt Slocum)

    In this Friday, May 22, 2015, photo, artist Meg Saligman shows knots tied to a mock-up of an art installation at her studio in Philadelphia. The installation is planned to be in the shape of a latticed grotto and will greet Pope Francis and millions of others when they travel to Philadelphia this fall. Visitors will be invited to leave their own problems behind in the form of knots affixed to its walls, or help others by loosening and removing a knot already in place. (AP Photo/Matt Slocum)  (The Associated Press)

An exhibit being created for Pope Francis' trip to Philadelphia will honor the pontiff's teachings by offering visitors the chance to acknowledge the challenges in their daily lives.

An artist will build a grotto made of knots near the city's main cathedral. People will be encouraged to write their problems on ribbon or paper, then tie the material to the exhibit.

The idea is to leave troubles behind. Guests can also choose to remove an existing one to help another.

The installation is inspired by the 18th-century painting "Mary, Undoer of Knots," which the pontiff first saw as a young man visiting Germany.

Francis will visit Philadelphia this fall as part of the World Meeting of Families. More than 1 million pilgrims are expected Sept. 26 for a Mass.