Core Viewpoint - The Northwest A&F University Expo Park in Yangling, Shaanxi, features the largest collection of agricultural-themed museums in China, attracting 200,000 visitors annually with its five museums dedicated to insects, animals, soil, plants, and Chinese agricultural history [1]. Insect Museum Highlights - The National Insect Museum, the first of its kind in China, houses over 1.5 million insect specimens, showcasing a history of 350 million years of insects [1]. - The museum features rare butterfly specimens, including over 40 species of the Brazilian Blue Butterfly, and highlights 12 national butterflies from various countries [3][5]. - The Golden Snouted Butterfly, China's national butterfly and a critically endangered species, is showcased, with conservation efforts leading to a gradual increase in its population [7]. Animal Museum Highlights - The Animal Museum, larger than the Insect Museum, contains over 8,000 animal specimens, including a nearly complete fossil of a woolly rhinoceros, which lived between 120,000 and 10,000 years ago [12][14]. - The museum also features fossils from the Jurassic period and various endangered species, including the giant panda and the Tibetan antelope, with educational programs on wildlife conservation [14][16]. Agricultural History Museum Highlights - The Agricultural History Museum presents artifacts that trace the origins of agriculture in China, including evidence of millet cultivation dating back 8,000 years and rice cultivation from 10,000 to 12,000 years ago [19][21]. - The museum showcases ancient seeds and agricultural texts, highlighting the historical significance of wheat and its introduction to China from the Middle East [21][23]. - The museum emphasizes the contributions of breeding teams, such as the development of high-yield wheat varieties that have significantly impacted food security in China [23]. Visitor Information - The Expo Park is open seven days a week from 9 AM to 6 PM, with ticket reservations available through their official WeChat account [24].

又是一年大学毕业季。 "一杯奶茶钱淘到正版教辅，学生党必冲！"一名摊主吆喝着"走过路过，不要错过呀"。5月下旬，河南 师范大学东、西校区的主干道上，灯如流萤，各种各样的物品琳琅满目，专属毕业季的活动——"留夏 季忆街"正如火如荼地开展。本次活动该校以"留夏佳物忆旧时，畅享青春未来式"为主题，为同学们搭 建了一个旧物易新的线下平台，彰显了"绿色、循环、互助、友爱"的校园文化传承。 傍晚时分，毕业生陆续找到自己申请的摊位，地毯一铺，板凳一摆，出售自己多余的物品。从考研用书 到手工艺品……他们将承载自己青春的旧物摆摊售卖，有人打包清仓，有人续写青春篇章。该校数学与 信息科学学院2024级学生王皓举起手中《线性代数习题精解》，扉页上密密麻麻的批注仍带着前主人的 温度："两块钱买下的不只是书，更是学长传递的通关秘籍！"那些用红笔圈出的易错点、便笺上手写的 解题巧思，让毕业季的旧书交易，成为大学精神传承的温暖仪式。 当一本本教材在不同的课桌间流转，知识的星火在代代学子手中生生不息。 夜幕降临，"留夏季忆街"逐渐热闹起来，每个摊位前几乎都站满了顾客，推销声、讨价还价声此起彼 伏。书籍、服饰、玩具、风扇……"跳蚤市场"上出售 ...