![](http://www.ecns.cn/hd/2020/05/15/0c2ed3112a5349a5bca741f58afb1664.jpg)
Photo shows a four-legged robot in a public park to assist safe distancing efforts in Singapore. Spot, an agile, four-legged, arrestingly doglike robot that Singapore has deployed to help enforce distancing measures during the second month of a partial coronavirus lockdown. (Photo/Agencies)
![](http://www.ecns.cn/hd/2020/05/15/8f0cc434e9bc4bef97d0ca3b607a598d.jpg)
Photo show Spot walking through a park in Singapore. Spot, an agile, four-legged, arrestingly doglike robot that Singapore has deployed to help enforce distancing measures during the second month of a partial coronavirus lockdown. (Photo/Agencies)
![](http://www.ecns.cn/hd/2020/05/15/039cacdc4bb84af5ac00206f36bc8f24.jpg)
Photo show Spot walking through a park in Singapore. Spot, an agile, four-legged, arrestingly doglike robot that Singapore has deployed to help enforce distancing measures during the second month of a partial coronavirus lockdown. (Photo/Agencies)
![](http://www.ecns.cn/hd/2020/05/15/4ec96b7b53284b058c70590ae1d6555a.jpg)
Photo show Spot walking through a park in Singapore. Spot, an agile, four-legged, arrestingly doglike robot that Singapore has deployed to help enforce distancing measures during the second month of a partial coronavirus lockdown. (Photo/Agencies)