Photo taken on Sept. 8, 2021 shows a view of a street in Kabul, capital of Afghanistan. (Photos: Xinhua)

Photo taken on Sept. 8, 2021 shows a view of a street in Kabul, capital of Afghanistan.

Photo taken on Sept. 8, 2021 shows a view of a street in Kabul, capital of Afghanistan.

Photo taken on Sept. 8, 2021 shows a road in Kabul, capital of Afghanistan.

Photo taken on Sept. 8, 2021 shows a road in Kabul, capital of Afghanistan.

Photo taken on Sept. 8, 2021 shows a view of a street in Kabul, capital of Afghanistan.

Photo taken on Sept. 8, 2021 shows a view of a street in Kabul, capital of Afghanistan.

A man sells flags in Kabul, capital of Afghanistan, Sept. 8, 2021.

Photo taken on Sept. 8, 2021 shows a view of a street in Kabul, capital of Afghanistan.