"We know that there will not be some sort of huge power change or revolution, but what I believe is that Iran is at a crossroads, " Beigi said.

CNN: Opposition movement in Iran not over, experts say

The demonstrators "acknowledged they're not going to overthrow the government and they didn't intend to do that, " said Pantea Beigi, a native of Iran and human rights expert with Colorado-based PeaceJam, focusing on youth movements.

CNN: Opposition movement in Iran not over, experts say