An artists rendering of the new building is projected on a screen before a groundbreaking ceremony for the latest addition to the Tree of Life synagog in Squirrel Hill on Sunday, June 23, 2024. The congregation will break ground for a memorial, museum, and education center. (Lucy Schaly/Post-Gazette)Rabbi Jeffrey Myers greets people before a groundbreaking ceremony for the new addition to the Tree of Life synagog in Squirrel Hill on Sunday, June 23, 2024. The congregation will break ground for a memorial, museum, and education center. (Lucy Schaly/Post-Gazette)Volunteers set up placards before a groundbreaking ceremony for the new addition to the Tree of Life synagog in Squirrel Hill on Sunday, June 23, 2024. The congregation will break ground for a memorial, museum, and education center. (Lucy Schaly/Post-Gazette)Rabbi Jeffrey Myers, center, of the Tree of Life congregation, is joined onstage for an interfaith blessing at a groundbreaking ceremony for the new addition to the Tree of Life synagogue in Squirrel Hill on Sunday, June 23, 2024. (Lucy Schaly/Post-Gazette)Rabbi Jeffrey Myers enters the tent before a groundbreaking ceremony for the new construction at the Tree of Life synagogue in Squirrel Hill on Sunday, June 23, 2024. The congregation will break ground for a memorial, museum, and education center. (Lucy Schaly/Post-Gazette)Audience members take their seats before a groundbreaking ceremony for the new addition to the Tree of Life synagog in Squirrel Hill on Sunday, June 23, 2024. The congregation will break ground for a memorial, museum, and education center. (Lucy Schaly/Post-Gazette)Invited guests received a baseball cap and a program on their seats before a groundbreaking ceremony for the new addition to the Tree of Life synagog in Squirrel Hill on Sunday, June 23, 2024. The congregation will break ground for a memorial, museum, and education center. (Lucy Schaly/Post-Gazette)An artists rendering of the new building is projected on a screen before a groundbreaking ceremony for the new addition to the Tree of Life synagog in Squirrel Hill on Sunday, June 23, 2024. The congregation will break ground for a memorial, museum, and education center. (Lucy Schaly/Post-Gazette)Second Gentleman of the United States Douglas Emhoff, left, Gov. Josh Shapiro, Carole Zawatsky, CEO of the Tree of Life, and Sen. Bob Casey applaud a speaker at a groundbreaking ceremony for the new addition to the Tree of Life synagogue in Squirrel Hill on Sunday, June 23, 2024. (Lucy Schaly/Post-Gazette)Diane Rosenthal, center, whose twin brothers were killed at the Tree of Life on Oct. 27, 2018, applauds a speaker during a groundbreaking ceremony for the new addition to the Tree of Life in Squirrel Hill on Sunday, June 23, 2024. (Lucy Schaly/Post-Gazette)Second Gentleman of the United States Douglas Emhoff listens intently during a groundbreaking ceremony for the new addition to the Tree of Life synagogue in Squirrel Hill on Sunday, June 23, 2024. (Lucy Schaly/Post-Gazette)Gov. Josh Shapiro greets Jeffrey Letwin, event co-chair, after introducing him at a groundbreaking ceremony for the new addition to the Tree of Life synagogue in Squirrel Hill on Sunday, June 23, 2024. (Lucy Schaly/Post-Gazette)The shofar is blown to begin a groundbreaking ceremony for the new addition to the Tree of Life synagogue in Squirrel Hill on Sunday, June 23, 2024. (Lucy Schaly/Post-Gazette)Members of the Pittsburgh Symphony Orchestra play to begin a groundbreaking ceremony for the new addition to the Tree of Life synagogue in Squirrel Hill on Sunday, June 23, 2024. (Lucy Schaly/Post-Gazette)Rabbi Jeffrey Myers, center, of the Tree of Life congregation, listens to a musical performance by the Northgate High School Choir during a groundbreaking ceremony for the new addition to the Tree of Life synagogue in Squirrel Hill on Sunday, June 23, 2024. (Lucy Schaly/Post-Gazette)Gov. Josh Shapiro speaks during a groundbreaking ceremony for a new addition to the Tree of Life synagogue in Squirrel Hill on Sunday, June 23, 2024. (Lucy Schaly/Post-Gazette)Rabbi Jeffrey Myers, center, of the Tree of Life congregation, is joined onstage by survivors, families, and dignitaries for a breaking of the glass and singing of the Shehecheyanu at a groundbreaking ceremony for the new addition to the Tree of Life synagogue in Squirrel Hill on Sunday, June 23, 2024. (Lucy Schaly/Post-Gazette)Second Gentleman of the United States Douglas Emhoff, center, Rabbi Jeffrey Myers, right,, of the Tree of Life congregation, watch survivors, families and dignitaries break the glass at a groundbreaking ceremony for the new addition to the Tree of Life synagogue in Squirrel Hill on Sunday, June 23, 2024. (Lucy Schaly/Post-Gazette)Jeffrey Solomon, left, greets Second Gentleman of the United States Doughlas Emhoff after he spoke to the crowd at a groundbreaking ceremony for the new addition to the Tree of Life synagogue in Squirrel Hill on Sunday, June 23, 2024. (Lucy Schaly/Post-Gazette)Second Gentleman of the United States Douglas Emhoff speaks to the crowd at a groundbreaking ceremony for the new addition to the Tree of Life synagogue in Squirrel Hill on Sunday, June 23, 2024. (Lucy Schaly/Post-Gazette)Survivor Andrea Mallinger Wedner, hugs friends and family before a groundbreaking ceremony for the new addition to the Tree of Life synagogue in Squirrel Hill on Sunday, June 23, 2024. (Lucy Schaly/Post-Gazette)Pittsburgh police surround the site during a groundbreaking ceremony for the new addition to the Tree of Life synagogue in Squirrel Hill on Sunday, June 23, 2024. (Lucy Schaly/Post-Gazette)