A man walks inside the funeral hall which was targeted in 2016, during a commemoration for the victims on the fourth anniversary of airstrikes in Sanaa, Yemen, Oct. 8, 2020. (Photos: Xinhua)

A man walks near the wreckages of a funeral hall during a commemoration for the victims on the fourth anniversary of airstrikes in Sanaa, Yemen, Oct. 8, 2020.

A man stands by a wreath placed inside the funeral hall during a commemoration for the victims on the fourth anniversary of airstrikes in Sanaa, Yemen, Oct. 8, 2020.

A man prepares balloons to be thrown in the air during a commemoration for the victims on the fourth anniversary of airstrikes in Sanaa, Yemen, Oct. 8, 2020.