The pillars on either end are for the Straits of Gibraltar.

左右两端的大力神柱代表直布罗陀海峡。

Granada is located over here, and the Straits of Gibraltar are here.

格拉纳达位于此处，而直布罗陀海峡在这里。

According to legend, that big strong guy from Greece built two pillars at the Straits of Gibraltar with the motto Ne Plus Ultra, or nothing further beyond, which symbolized the edge of the world.

根据传说，来自希腊的大力神在直布罗陀海峡建造了两根柱子，上面的格言是“极致顶点”，即为最高、最远处，意思为这里是世界的边缘。

In 429, the entire Vandal force and their Alanic  and Visigothic followers crossed the Straits of Gibraltar into Mauritania Tingitana, a Roman  province.

429 年，整个汪达尔军队及其阿兰尼和西哥特追随者越过直布罗陀海峡进入罗马行省 Mauritania Tingitana。

If you go through the Straits of Gibraltar, in southern Spain or northern Morocco, you will go from the Mediterranean Sea to the Atlantic Ocean.

如果你穿过西班牙南部或摩洛哥北部的直布罗陀海峡，你就会从地中海到达大西洋。

To pass beyond the pillars of Hercules, that is, to sail out of the straits of Gibraltar, was, in the ancient world, long considered as a most wonderful and dangerous exploit of navigation.

人们不敢离开海岸， 由于造船技术的不完善， 不敢投身于汹涌的海浪中。 越过赫拉克勒斯的石柱， 即驶出直布罗陀海峡， 在古代世界长期以来被认为是最奇妙和最危险的航海壮举。