First day of spring in Sao Paulo, Brazil
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A dove stands over flower petals at Ibirapuera Park during the first day of spring in Sao Paulo, Brazil on Sept. 22, 2020. (Photo by Rahel Patrasso/Xinhua)

A man exercises at Ibirapuera Park during the first day of spring in Sao Paulo, Brazil on Sept. 22, 2020. (Photo by Rahel Patrasso/Xinhua)

People walk at Ibirapuera Park during the first day of spring in Sao Paulo, Brazil on Sept. 22, 2020. (Photo by Rahel Patrasso/Xinhua)

People walk at Ibirapuera Park during the first day of spring in Sao Paulo, Brazil on Sept. 22, 2020. (Photo by Rahel Patrasso/Xinhua)