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Russia Enhance and Peter Enhance

Russia Enhance:
Unlock the ability to build Lavra when Mining is complete, +3 Great Prophet points per turn (on Standard Speed), cities without Lavra or Holy Site gain +4 per turn (on Standard Speed), both effective only when player is human.
Shrine and Temple in Holy Site both provides +100% Holy Site adjacency bonuses.

Peter Enhance:
Tundra and Tundra hills WON'T receive plot yield bonus, City Centers gain +1 Faith and +1 Food for every adjacent Tundra, Tundra Hills, Snow, Snow Hills tiles.
Holy Sites provide Culture equal to their adjacency bonus if there is a Shrine in this district, provide Gold equal to their adjacency bonus if there is a Temple in this district, provide Science equal to their adjacency bonus if there is a Worship building in this district.