message: Stable, Ger, Charreada Arena also provide light cavalry experience
diff: <fVisibilityPriority>1.0</fVisibilityPriority>
  <ConstructSound>AS2D_BUILD_BARRACKS</ConstructSound>
  <UnitCombatFreeExperiences>
  + <UnitCombatFreeExperience>
  + <UnitCombatType>UNITCOMBAT_LIGHT_CAVALRY</UnitCombatType>
  + <iExperience>2</iExperience>
  + </UnitCombatFreeExperience>
  <UnitCombatFreeExperience>
  <UnitCombatType>UNITCOMBAT_HEAVY_CAVALRY</UnitCombatType>
  <iExperience>2</iExperience>
  <fVisibilityPriority>1.0</fVisibilityPriority>
  <ConstructSound>AS2D_BUILD_BARRACKS</ConstructSound>
  <UnitCombatFreeExperiences>
  + <UnitCombatFreeExperience>
  + <UnitCombatType>UNITCOMBAT_LIGHT_CAVALRY</UnitCombatType>
  + <iExperience>4</iExperience>
  + </UnitCombatFreeExperience>
  <UnitCombatFreeExperience>
  <UnitCombatType>UNITCOMBAT_HEAVY_CAVALRY</UnitCombatType>
  <iExperience>4</iExperience>
  </BonusHappinessChange>
  </BonusHappinessChanges>
  <UnitCombatFreeExperiences>
  + <UnitCombatFreeExperience>
  + <UnitCombatType>UNITCOMBAT_LIGHT_CAVALRY</UnitCombatType>
  + <iExperience>2</iExperience>
  + </UnitCombatFreeExperience>
  <UnitCombatFreeExperience>
  <UnitCombatType>UNITCOMBAT_HEAVY_CAVALRY</UnitCombatType>
  <iExperience>2</iExperience>
  