The absence of humans and smoke belching vehicles is having a profound effect on the environment, not seen, perhaps, since the Industrial Age began.
The atmosphere has become cleaner with significant drop in nitrogen dioxide pollution.
The normally polluted waters of the canals of Venice have become so clear that one can see the bottom.
In Sassari, the second-largest town of Sardinia, wild boars are roaming the streets, and in Rome’s many fountains ducks are taking advantage of the lack of tourists. Aside from these occasional visitors, public spaces across the world have become terribly devoid of life.