But since 2000, when Hamburg came up with the now nine-billion-euro master plan to transform 388 acres of its vast central harbor into a brand new district, increasing the size of the city center ...

Every year Germany's second-largest city celebrates the anniversary of its famed port. It's known as the Hafengeburtstag, or "harbor-birthday." This year marked the 830th birthday of Hamburg's harbor.

The enormous ships that dock in Germany’s largest harbor are up to 400 meters long. But they don't arrive under their own steam. They’re brought into harbor by bright-red Kotug tug boats.