By Aliaksandr Antanovich / Getty Images At a time when the operating expenses of cultural institutions are skyrocketing, free admission to museums and cultural heritage sites is up for debate. This is the case in Sweden, where some of the country’s largest museums are reviewing their admissions policies. At a time when the operating expenses of cultural institutions are skyrocketing, free admission to museums and cultural heritage sites is up for debate. This is the case in Sweden, where some of the country’s largest museums are reviewing their admissions policies. This decision follows cuts t…