south america, brazil, rio de janeiro, active senior women, aged, elderly, female, group, multi-generation group, people, person, persons, quality time, senior citizen, socialization, socializing, tai-chi-chuan, well-being, woman, women, taichi, taichichuan, taiqiquan, tai chee, tai chi chuan, martial arts, sport, sports, martial art, recreation, pastimes, pastime, only women, copacabana, socialising, socialise, socialize, sixty, senior, sixties, 60s, 60 and above, senior adults, senior adult, senior citizens, old, elderly adults, elderly adult, Copacabana beach, urban, beach, buildings, residential buidings