Over the course of the past four years since the Taliban took control of Kabul, plunging Afghanistan into a humanitarian crisis and stripping away women's rights, millions of Afghans who initially fled have now been expelled from Iran and Pakistan, according to the United Nations.

The Taliban barred women from attending celebrations marking the fourth anniversary of their return to power in Afghanistan.

Thousands of Afghans gathered in Kabul to watch helicopters scatter flowers to mark the fourth anniversary of the Taliban’s return to power.