Defines/NNAINDefineNAI|AI_UPGRADE_CITY_LOW_CURRENT_SAILORS_THRESHOLDNAI|AI_UPGRADE_CITY_LOW_CURRENT_SAILORS_THRESHOLDloading_screen/common/defines/00_defines.txt:598have less than 20% of maximum sailorsDefiniciónloading_screen/common/defines/00_defines.txt:5980.2