The developer HYM Investment Group on Thursday held a groundbreaking ceremony for the 600-foot, 43-story One Congress tower in Boston’s Government Center, an approximately $1 billion project backed by a joint venture between Carr Properties and National Real Estate Advisors.

State Street Financial Corp. is relocating its global headquarters from its current namesake tower in the city’s Financial District to One Congress when the tower is complete.

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Boston Biz Journal