Dolphins have returned to Lisbon's Tagus River, prompting a new wave of tourism to see them. The pandemic led to reduced pollution in the area thanks to a drop in maritime traffic, making it a more hospitable environment for the marine mammals.
Dolphins have returned to Lisbon's Tagus River, prompting a new wave of tourism to see them. The pandemic led to reduced pollution in the area thanks to a drop in maritime traffic, making it a more hospitable environment for the marine mammals.
