The retreat of Rocca Bianca was at the top of a small mountain, which no doubt in former days had been a volcano--an extinct volcano before the days when Remus and Romulus had deserted Alba to come and found the city of Rome.

• 比卡山凹是在一座小山的山顶上，在从前这儿无疑的是一座火山，一座在雷默斯和罗默罗斯逃出阿尔伯，来建筑起罗马城以前就熄灭了的火山。