Vision ======== * Base city vision radius sq 5 * City vision radius increased in size 15 cities * City vision radius increased when player knows Radar Migration =========== * People may spontaneously migrate to better city * Culture affects city migration score slightly Veteran Levels ============== * Military units have four veterancy levels * Workers have three veterancy levels and their speed increases as they gain those levels * Diplomat units have three veterancy levels * Regular buildings enabling building of veteran units give two veterancy levels. Wonders giving such bonuses give just one veteran level. Effects from regular buildings and wonders are cumulative. Getting tech with city conquest =============================== * Base chance of getting also a tech when conquring a city is 25% * Knowledge of Writing and University increase this chance by 15% each