Holy Site Prayers (Civ6)

Holy Site Prayers is a project in Civilization VI. It becomes available after building a Holy Site district (or one of its replacements).
While this project is underway, the entire city is dedicated to holy pursuits, converting 15% of its output to . When completed, it yields points equal to approximately 22% of the invested in it (on Standard speed).
In Gathering Storm, this project also increases the Religious Pressure emanating from the Holy Site by 100% per turn if the city has a dominant religion.