![](http://www.ecns.cn/hd/2020/04/23/35e06834a2374a7d851e0a1db9d99c21.jpg)
Fox cubs venture out from their den under a popular boardwalk alongside Lake Ontario during the global outbreak of the coronavirus disease (COVID-19), in Toronto, Ontario, Canada April 22, 2020. (Photo/Agencies)
![](http://www.ecns.cn/hd/2020/04/23/8babb74dbf2640d295d1c5944003a398.jpg)
Fox cubs venture out from their den under a popular boardwalk alongside Lake Ontario during the global outbreak of the coronavirus disease (COVID-19), in Toronto, Ontario, Canada April 22, 2020. (Photo/Agencies)
![](http://www.ecns.cn/hd/2020/04/23/e98f5b068ac34514be9488e29685c498.jpg)
Fox cubs venture out from their den under a popular boardwalk alongside Lake Ontario during the global outbreak of the coronavirus disease (COVID-19), in Toronto, Ontario, Canada April 22, 2020. (Photo/Agencies)
![](http://www.ecns.cn/hd/2020/04/23/d167b5e3c449479b88a080d3fa0d8a6f.jpg)
A fox cub ventures out from its den under a popular boardwalk alongside Lake Ontario during the global outbreak of the coronavirus disease (COVID-19), in Toronto, Ontario, Canada April 22, 2020.