1) Name the capital of India, a city that has seen a dramatic decrease in a certain type of air pollution as an inadvertent side effect of the coronavirus lockdown.
2) What North African city, whose name means "the victorious," is located near the only existing Wonder of the Ancient World?
3) Researchers in Florida have observed less human impact on what kind of reptile, which nests on beaches and whose gestation period is about 60 days?