Celebrity Solstice was, at 122,000 GT, the largest ship to be built at a German shipyard, but this record was surpassed by the Disney Dream, a 128,000 GT cruise ship of the Disney Cruise Line.
Languages can definitely change and they can diverge. For example, Latin split up into the modern Romance languages: Portuguese, Spanish, Romanian, Galician, etc. This is less known, but languages can also converge: those languages are called creole. Some people argue that English is also similar to a creole: a mix of Germanic and French.
Language is tied up with our psyche, as individuals and as a society. Language is a component of thought. Thus language is integral to worldview. Differences in worldview involve differences in thought and language. Yes, language is the primary component of ethnicity.hat is known and recorded in the Ethnologue, or other language analysis sources, varies in details and clarity, or even accuracy, from one case to another (usually in groupings of regional or ethnic clusters). Also speech forms are always changing -- some die, new ones develop, all change.