[Default Branch] 0.3.0_704.1113

[h2]Bugs:[/h2]

[p]the altar cannot be rebuilt in the original location after being destroyed by enemies[/p]
[p]Floors cannot be built on top of altars.[/p]
[p]Cows need to be able to eat grass.[/p]
[p]The attack range of archers on towers may become invisible.[/p]
[p]For low-population tribes that have been attacked, slaves should not reappear after saving and reloading the game.[/p]