crowd of people gathered at an outdoor rally in a city, likely in Brazil given the presence of Portuguese text

crowd of people gathered at an outdoor rally in a city, likely in Brazil given the presence of Portuguese text. The crowd is gathered around a flatbed truck converted into a stage where several individuals are speaking. A banner on the truck reads "APROFEM, SINDICATO DOS PROFESSORES E FUNCIONARIOS MUNICIPAIS DE SÃO PAULO". Many attendees are wearing blue shirts with text that reads "APROFEM Respeito ao Servidor Público". The location is an urban setting with tall buildings in the background. The mood appears to be active and engaged.