Air quality in major cities has improved dramatically over the past few months as a result of reduced economic activity. Clearing of skies is observed not only by scientists through satellite data, but also residents of cities themselves. Reduction in air pollution is accompanied by reduced human presence and noise levels, which is making all sorts of animals come to visit our urban environments. Goats roaming in Llandudno, UK, fish in canals of Venice, deer in Japan, and boars in Barcelona are exploring our cities.
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