The long-awaited expansion of the oldest YMCA serving Chinese-Americans in the United States will be celebrated today in San Francisco’s Chinatown.

The $22 million project has been 17 years in the making, according to the YMCA.

It will add 23,000 square feet of recreation, community, education and residential space, including a larger swimming pool, expanded wellness and community centers, locker rooms, a new community kitchen and a digital center for teens.

The YMCA opened in Chinatown in 1911 and will celebrate its 100th anniversary next spring.

Today’s ribbon cutting and grand opening celebration takes place at 4:30 p.m. The YMCA will open to the public on Monday.

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