![A picture taken on June 3, 2019 in Montpellier, southern France, shows a building \](http://www.ecns.cn/hd/2019/06/04/34cf6f837364450e8ed5467a4708375d.jpg)
A picture taken on June 3, 2019 in Montpellier, southern France, shows a building "L'arbre blanc" designed by Japanese architect Sou Fujimoto and French Nicolas Laisne and Manal Rachdi. (Photo/Agencies)
![A picture taken on June 3, 2019 in Montpellier, southern France, shows a building \](http://www.ecns.cn/hd/2019/06/04/2fc9b82a57184bf08f4cf86fe2898a64.jpg)
A picture taken on June 3, 2019 in Montpellier, southern France, shows a building "L'arbre blanc" designed by Japanese architect Sou Fujimoto and French Nicolas Laisne and Manal Rachdi. (Photo/Agencies)
![A picture taken on June 3, 2019 in Montpellier, southern France, shows a building \](http://www.ecns.cn/hd/2019/06/04/82934718294947b19a53dfc4c2abf4da.jpg)
A picture taken on June 3, 2019 in Montpellier, southern France, shows a building "L'arbre blanc" designed by Japanese architect Sou Fujimoto and French Nicolas Laisne and Manal Rachdi. (Photo/Agencies)
![A picture taken on June 3, 2019 in Montpellier, southern France, shows a building \](http://www.ecns.cn/hd/2019/06/04/58c1865142894bf3b21c7fc171da1c23.jpg)
A picture taken on June 3, 2019 in Montpellier, southern France, shows a building "L'arbre blanc" designed by Japanese architect Sou Fujimoto and French Nicolas Laisne and Manal Rachdi. (Photo/Agencies)