![The Popocatepetl Volcano spewes ash and smoke as seen from Mexico City, on December 2, 2018. The Popocatepetl volcano, located about 55 km from Mexico City, has recorded numerous low-intensity exhalations in the past few days. (Photo/Agencies)](http://www.ecns.cn/hd/2018/12/03/7fbcda18ac004bba93d143f1f43da517.jpg)
The Popocatepetl Volcano spewes ash and smoke as seen from Mexico City, on December 2, 2018. The Popocatepetl volcano, located about 55 km from Mexico City, has recorded numerous low-intensity exhalations in the past few days. (Photo/Agencies)
![The Popocatepetl Volcano spewes ash and smoke as seen from Mexico City, on December 2, 2018. The Popocatepetl volcano, located about 55 km from Mexico City, has recorded numerous low-intensity exhalations in the past few days. (Photo/Agencies)](http://www.ecns.cn/hd/2018/12/03/85dd0ba1dc0e424e99b083c8b286c3d6.jpg)
The Popocatepetl Volcano spewes ash and smoke as seen from Mexico City, on December 2, 2018. The Popocatepetl volcano, located about 55 km from Mexico City, has recorded numerous low-intensity exhalations in the past few days. (Photo/Agencies)
![The Popocatepetl Volcano spewes ash and smoke as seen from Mexico City, on December 2, 2018. The Popocatepetl volcano, located about 55 km from Mexico City, has recorded numerous low-intensity exhalations in the past few days. (Photo/Agencies)](http://www.ecns.cn/hd/2018/12/03/e3163f6ab45240db828dda0469596d1f.jpg)
The Popocatepetl Volcano spewes ash and smoke as seen from Mexico City, on December 2, 2018. The Popocatepetl volcano, located about 55 km from Mexico City, has recorded numerous low-intensity exhalations in the past few days. (Photo/Agencies)