![](http://www.ecns.cn/hd/2022/04/24/f97b2216b1a246249c4e45add687582c.jpg)
A naked eye 3D video featuring Asian elephants is displayed on a large outdoor screen, bringing residents an immersive audio-visual experience in Kunming, southwest China's Yunnan Province, April 23, 2022. (Photo: China News Service/Liu Ranyang)
![](http://www.ecns.cn/hd/2022/04/24/1bb708e11b77447bb5045d46339c70ae.jpg)
A naked eye 3D video featuring Asian elephants is displayed on a large outdoor screen, bringing residents an immersive audio-visual experience in Kunming, southwest China's Yunnan Province, April 23, 2022. (Photo: China News Service/Liu Ranyang)
![](http://www.ecns.cn/hd/2022/04/24/8b914e62be8944519e559225942bac7c.jpg)
A naked eye 3D video featuring Asian elephants is displayed on a large outdoor screen, bringing residents an immersive audio-visual experience in Kunming, southwest China's Yunnan Province, April 23, 2022. (Photo: China News Service/Liu Ranyang)