This is the 12157th most frequent Korean word.
뉴질랜드의
"Of New Zealand" or "New Zealand's."
Here, '뉴질랜드의' functions as a possessive adjective, describing '날씨'(weather) as belonging to New Zealand.
뉴질랜드의 날씨는 매우 쾌적합니다.
The weather of New Zealand is very pleasant.
In this example, '뉴질랜드의' again indicates possession, specifying that the '수많은 양떼'(numerous flocks of sheep) are characteristic of New Zealand.
나는 뉴질랜드의 수많은 양떼를 보았습니다.
I saw numerous flocks of sheep in New Zealand.
'뉴질랜드의' here connects '문화'(culture) to New Zealand, showing ownership or association of the culture with New Zealand.