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Globe staff photos of the week

Alicia Maehara, 3, watched as Shabnam Hosseini , a grad student at Boston University, participated in Sidewalk Sam’s chalk on the sidewalk art project during “Opening Our Doors 2011,” a free day of art, cultural, and educational events sponsored by 21 institutions in the Fenway.

Yoon S Byun/Globe Staff

Alicia Maehara, 3, watched as Shabnam Hosseini , a grad student at Boston University, participated in Sidewalk Sam’s chalk on the sidewalk art project during “Opening Our Doors 2011,” a free day of art, cultural, and educational events sponsored by 21 institutions in the Fenway.

Take a look at the best photos taken this week by Globe photographers, as chosen by the Globe’s photo desk.

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