visiting_poi_effect

visiting_poi_effect = {
	if = { # Offa's Dyke
		limit = {
			OR = {
				scope:province = province:1632
				scope:province = province:1633
				scope:province = province:1634
				scope:province = province:1648
				scope:province = province:1646
				scope:province = province:1643
			}
		}
		visiting_poi_variable_effect = { PROVINCE = province:1632 }
		visiting_poi_variable_effect = { PROVINCE = province:1633 }
		visiting_poi_variable_effect = { PROVINCE = province:1634 }
		visiting_poi_variable_effect = { PROVINCE = province:1648 }
		visiting_poi_variable_effect = { PROVINCE = province:1646 }
		visiting_poi_variable_effect = { PROVINCE = province:1643 }
	}
	else_if = { # Hadrian's Wall
		limit = {
			OR = {
				scope:province = province:8780
				scope:province = province:1635
				scope:province = province:1611
				scope:province = province:1609
			}
		}
		visiting_poi_variable_effect = { PROVINCE = province:8780 }
		visiting_poi_variable_effect = { PROVINCE = province:1635 }
		visiting_poi_variable_effect = { PROVINCE = province:1611 }
		visiting_poi_variable_effect = { PROVINCE = province:1609 }
	}
	else_if = { # Danevirke
		limit = {
			OR = {
				scope:province = province:62
				scope:province = province:84
			}
		}
		visiting_poi_variable_effect = { PROVINCE = province:62 }
		visiting_poi_variable_effect = { PROVINCE = province:84 }
	}
	else_if = { # Great Wall of Gorgan
		limit = {
			OR = {
				scope:province = province:4031
				scope:province = province:4030
			}
		}
		visiting_poi_variable_effect = { PROVINCE = province:4031 }
		visiting_poi_variable_effect = { PROVINCE = province:4030 }
	}
	else = {
		visiting_poi_variable_effect = { PROVINCE = scope:province }
	}

	if = {
		limit = {
			rite = { rite_has_parameter = tenet_scholasticism_muslim_hebrew_greek_poi }
			scope:province.faith = {
				OR = {
					religion = religion:judaism_religion
					religion = religion:islam_religion
					religion = religion:zoroastrianism_religion
				}
			}
		}
		add_piety = minor_piety_gain
		add_learning_lifestyle_xp = 25
		change_spiritual_fulfillment = minor_spiritual_fulfillment_value
	}

	megaliths_building_poi_double_experience_effect = yes
}

As written in game/common/scripted_effects/00_wanderer_lifestyle_effects.txt.