Now Playing: Nightline Says Happy Mother's Day

Now Playing: Surgeons race against time to transplant lungs in dad who survived COVID-19: Part 2

Now Playing: After COVID-19, cutting-edge double lung transplant could save dad’s life: Part 1

Now Playing: Small businesses in California fighting to survive with restrictions, lack of support

Now Playing: Athletes, members of Congress, everyday Americans join fight against anti-Asian hate

Now Playing: Man behind Fyre Festival speaks from prison

Now Playing: Thousands of asylum-seekers have been waiting months to years at US-Mexico border

Now Playing: John Legend on creating content that’s unapologetically Black

Now Playing: How Black residents in America’s 1st city to fund reparations proved they were owed

Now Playing: Experts discuss Johnson & Johnson vaccine rollout, what they’re seeing on the ground

Now Playing: Once ravaged, Black-owned businesses are making a comeback and hoping to build wealth

Now Playing: Black Americans reconnect with ancestral history in Ghana, where slaves left Africa

Now Playing: How did a plane’s engine fall apart minutes into a flight from Denver?

Now Playing: Gaga’s dogs stolen

Now Playing: UN secretary-general discusses global rise in misinformation, extremism, nationalism

Now Playing: UN secretary-general on global access to vaccines and effort to combat climate change

Now Playing: Viral figure skater brings pop culture, activism, diversity to sport

Now Playing: Britney Spears’ father maintains conservatorship out of love, lawyer says

Now Playing: Facing stress from the pandemic, thousands re-examine relationship with alcohol

Now Playing: Texans band together amid fallout from energy crisis