![](http://www.ecns.cn/hd/2020/04/30/92c7f42098c948b49029224c1eac90bb.jpg)
Photo shows one of the world's largest lunar meteorites, which will go on private sale at Christie's, April 30, 2020, valued at 2 million pounds ($2.49 million). The moon rock, weighing over 13.5 kg, was probably struck off the surface of the moon by a collision with an asteroid or comet and then showered down on the Sahara desert. (Photo/Agencies)
![](http://www.ecns.cn/hd/2020/04/30/67d32d0b9a9e49899358a7ecf05431f5.jpg)
Photo shows one of the world's largest lunar meteorites, which will go on private sale at Christie's, April 30, 2020, valued at 2 million pounds ($2.49 million). (Photo/Agencies)
![](http://www.ecns.cn/hd/2020/04/30/a93209daad6143febeae4ebd4a7d1d1c.jpg)
Photo shows one of the world's largest lunar meteorites, which will go on private sale at Christie's, April 30, 2020, valued at 2 million pounds ($2.49 million). (Photo/Agencies)