a distinguished gathering meaning in English

荟萃一堂

I am very delighted to be invited to such a distinguished gathering
2本人能够受邀来到这样的盛会，内心感到欣喜万分。
Mangshan national forest park bounded by guangdong provice is located in yizhang coutry . it has a total area of 20 thousand hectares with the main peak of 1902 metres abouve sea level . it is a distinguished gathering of plants and animals and gets the name of " organisms genecetrer " " the museum for plants and animals in china "
莽山国家公园，位于湖南郴州宜章县境内，与广东接壤，主峰海拔1902米，总面积2万公顷，是南北动植物荟萃之地，被中外专家学者誉为“生物基因库” 、 “中国天然动植物博物馆” 。