'It's a tragedy bigger than anything we've seen'

Nathalie Jimenez Isabel Gomez runs a small gift shop in Cali, next to a five-story building that collapsed entirely when the earthquake struck. All of the families who lived there are now homeless. "We don't have food, water, power," she says. Gomez, a native of the city, has spent the day broadcasting live from the site, amassing thousands of views, as rescue teams work through the rubble. In her videos, she holds up a handwritten sign with the location of the collapse, appealing for