1. Sandstorm shrouds Iraq in orange haze

2. Iranian women are pictured during a sandstorm at the Imam Ali Shrine in Najaf, Iraq, May 23. REUTERS/Alaa Al-Marjani

3. A view of Tigris river as the dust covers the sky during a sandstorm in Baghdad, Iraq, May 23. REUTERS/Thaier Al-Sudani

4. People walk during a sandstorm in Baghdad, Iraq, May 23. REUTERS/Thaier Al-Sudani

5. Children look at buffaloes during a sandstorm in eastern Baghdad's al-Futheliyah district, Iraq, May 23. REUTERS/Ahmed Saad

6. A child sweeps the floor during a sandstorm at the Imam Ali Shrine in Najaf, Iraq, May 23. REUTERS/Alaa Al-Marjani

7. A man stands near a statue of the famous Arab poet Al-Mutanabbi during a sandstorm in Baghdad, Iraq, May 23. REUTERS/Thaier Al-Sudani

8. A view shows the dust covering the sky during a sandstorm, in Baghdad, Iraq, May 23. REUTERS/Thaier Al-Sudani

9. A man smokes a cigarette during a sandstorm in Baghdad, Iraq, May 23. REUTERS/Thaier Al-Sudani

10. A herd of buffaloes are pictured during a sandstorm in eastern Baghdad's al-Futheliyah district, Iraq, May 23. REUTERS/Ahmed Saad

11. Iraqi people ride a horse-drawn cart during a sandstorm in eastern Baghdad's al-Futheliyah district, Iraq, May 23. REUTERS/Ahmed Saad

12. A woman walks on a bridge during a sandstorm in Baghdad, Iraq, May 23. REUTERS/Thaier Al-Sudani

13. A view shows the dust covering the sky during a sandstorm, in Baghdad, Iraq, May 23. REUTERS/Thaier Al-Sudani

14. Traffic police officers direct vehicles during a sandstorm in Baghdad, Iraq, May 23. REUTERS/Thaier Al-Sudani

15. A woman walks during a sandstorm in Baghdad, Iraq, May 23. REUTERS/Thaier Al-Sudani

16. A man walks on a bridge during a sandstorm in Baghdad, Iraq, May 23. REUTERS/Thaier Al-Sudani

17. People are pictured during a sandstorm in Najaf, Iraq, May 23. REUTERS/Alaa Al-Marjani

18. People walk on a bridge during a sandstorm in Baghdad, Iraq, May 23. REUTERS/Thaier Al-Sudani