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官方完整视频：张小龙4小时微信公开课_我的网站

A | 2019年1月10日微信开放课程在广州开幕。微信之父张小龙出现在微信之夜，发表了四个小时的演讲。    （ECNS） -- A 4,285-meter canal carved into a karst cliff in southwest China’s Chongqing has become a social media sensation, attracting photographers and hikers to Qianjin village in Wulong district.    Nearly 1,000 meters of the canal runs flush against a precipice hundreds of meters high, with spring water still trickling through its channels.    Villagers began hacking the waterway out of solid rock in 1999 using chisels and hammers, completing it three years later to bring water and electricity to mountain communities.        From lifeline to hiking destination    As modern irrigation improved, the canal’s role faded, but its dramatic setting has turned it into a magnet for outdoor enthusiasts.      "The trickling sound of spring water runs on one side and a green canyon on the other. It was well worth the trip," said Liu Zhengchun, a hiking enthusiast from Chongqing, who came with friends after watching videos shared by bloggers on social media.    He noted that the narrowest section of the canal is barely wide enough for one person to pass by bending forward, and that the chisel marks left by the builders remain clearly visible on the rock face.    A waterfall near a hydropower station along the route has also become a highlight.    Builder-turned-guardian    Builder Li Wufeng, now in his 60s, continues to maintain the canal and volunteers as a safety monitor as visitor numbers grow.     "In the past, I was basically the only person walking on the canal," Li said. "Now more and more young people come to explore, hike and take photos. On peak days, I can run into more than 200 visitors."    Local government eyes tourism development    As the site's popularity grows, authorities are paying increasing attention to outdoor safety and ecological protection. Local officials are planning a loop-shaped scenic area that integrates sightseeing, experiential activities and leisure, with supporting facilities including a parking structure, a visitor center, cliffside plank roads and a glass observation deck.    The goal is to give the cliffside canal, once a hard-won lifeline for a mountain village, a renewed purpose in the era of cultural tourism.                    。张小龙说，演讲是一项技术性的工作，他在实践中是业余的，但他希望与你面对面交流。张小龙在演讲中总结了威信的八年历程，向外界阐述了威信的产品理念，以及威信为何如此。谈到微信7.0的“丑陋界面”，张小龙说，“产品需要适应这个时代，不要说我们的用户抱怨，不要改变它。”此外，当张小龙谈到微信首页为什么没有广告时，他说如果把微信比作自己最好的朋友，那么在T上的广告就是他的头版就像是在他最好朋友的脸上贴广告。但你知道，不管文本版本有多好，它都不如图像强大。

B | 为此，政府发布了张小龙四小时微信公开课的全程视频。让我们看看。

C | 要观看视频，请单击此处。相关阅读：张小龙4小时微信开放式演讲全文2019。

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