His name is Obi, which means “heart” in the Nigerian Igbo language. At 3 weeks old, Obi weighs about 30 pounds. Before swimming in the big pool, he spent time learning to swim in a smaller pool — all with his mother Petre keeping a watchful eye.

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A MARTA operator is seen inside the control room of one of the new MARTA trains during the unveiling of these trains on Thursday, Jan. 30, 2025. (Miguel Martinez/AJC)

Credit: Miguel Martinez-Jimenez