Objective: Analyze the past and present reality (or historical or geographical) of our planet and make use of the appropriate tools to make that analysis as critical and objective as possible. Revuela gets it by: - Establishing a dialogue between the students that allows solving the problems posed by the analyzed reality. - Presenting cases and situations which contextualise the historical and geographical reality of the planet. - Valuing team work as fundamental. - Knowing the past, students can understand the present.