Rescue teams say pockets of air formed in the snow is what kept nine people pulled from the rubble -- alive.
About 600 "sister marches" were planned across the country and the world to coincide with the Women's March on Washington.
Yahya Jammeh, who seized power in a coup in 1994, once vowed to rule for a billion years.
Not a single arrest was made as hundreds of thousands marched in the nation's capital, some in opposition to President Donald Trump.
Organizers expect more than 200,000 demonstrators to gather in Washington, D.C., Saturday to march in support of gender and other issues.