The Douro Valley is characterized for being a region of mountain viticulture in hot climate.

大卫：杜谷的特点是气候炎热，是山地葡萄栽培区。

It owns 500 hectares of vineyards in the Douro Valley.

它在杜谷拥有 500 公顷的葡萄园。

From here, a double-decker iron bridge crosses the Douro River.

从这里，一座双层铁桥横跨杜。

The Douro River's steep and twisting valleys, laboriously terraced over the centuries, are ideal for growing grapes.

杜曲折的陡峭谷，经过几个世纪的辛勤开垦，非常适宜种植葡萄。

Every September, a group of grape pickers from the villages of the Douro Valley is recruited to do the harvest.

每年月，都会从杜谷的村庄招募一群葡萄采摘者来进行收获。

The Douro River begins as a trickle in Spain, runs west through Portugal, and to the city of Porto, where it spills into the Atlantic.

杜源于西班牙，向西流经葡萄牙， 最终到达波尔图市，汇入大西洋。

From Coimbra, we drive a couple hours farther north into the mountains of the interior to explore the scenic Douro River Valley, famous as the birthplace of port wine.

-从科英布拉出，我们驱车向北行驶几个小时，进入内陆的山脉，探索风景如画的杜谷，这里以其波特酒的源地而闻名。

Although port wine bears the name of the seaport city of Porto, it is actually in the steep hillsides of the Douro Valley in northern Portugal that it has been made for centuries.

克劳迪娅：虽然波特酒以海港城市波尔图为名，但它实际上是在葡萄牙北部杜谷陡峭的山坡上酿造的， 已有数百年历史。

This aging on the cool, north-facing bank of the Douro takes years and even decades, and when the refined and time-honored process is finally complete, the beloved port wine is ready to enjoy.

这种在杜凉爽的北岸陈年的过程需要数年甚至数十年的时间，当精致且历史悠久的工艺最终完成后，这款备受喜爱的波特酒就可享用了。

Unlike other great European river valleys, the Douro was never a strategic military location, so, rather than castles and palaces, you'll see farms and vineyards, almost all dedicated to the production of port, the region's beloved fortified wine.

与欧洲其他着名流谷地不同，杜谷从未成为战略军事要地，因此，你看到的不是城堡和宫殿，而是农场和葡萄园，几乎全部都致力于生产波特酒，这种深受当地人喜爱的加强型葡萄酒。

And while regulations ensure that no other wine is labeled as port within the European Union, it may not be the case in other countries, like the US. So how do you spot authentic port from the Douro Valley?

虽然法规确保在欧盟内没有其他葡萄酒被标记为港口， 但在美国等其他国家可能并非如此。那么如何辨别杜谷的正宗港口呢？