Photo taken on Dec. 20, 2019 shows the grand ziggurat in ancient site of Dur Kurigalzu in the western outskirts of Baghdad, Iraq. The site of Dur Kurigalzu, which means "Kurigalzu's castle" in Arabic, is located about 30 kilometers west of Baghdad. The grand ziggurat here was once a temple and now is a tourism destination for people on weekends. Photo:Xinhua

Photo taken on Dec. 20, 2019 shows the grand ziggurat in ancient site of Dur Kurigalzu in the western outskirts of Baghdad, Iraq. The site of Dur Kurigalzu, which means "Kurigalzu's castle" in Arabic, is located about 30 kilometers west of Baghdad. The grand ziggurat here was once a temple and now is a tourism destination for people on weekends. Photo:Xinhua

Photo taken on Dec. 20, 2019 shows the grand ziggurat in ancient site of Dur Kurigalzu in the western outskirts of Baghdad, Iraq. The site of Dur Kurigalzu, which means "Kurigalzu's castle" in Arabic, is located about 30 kilometers west of Baghdad. The grand ziggurat here was once a temple and now is a tourism destination for people on weekends. Photo:Xinhua