【美國加州 Yosemite National Park】優勝美地國家公園健行之一.迷人的秋日美景。飽覽山谷與Vernal Falls、Nevada Falls兩大瀑布

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「一生必去」這4個字的最高等級用語,絕對可以用來形容美國加州的「優勝美地國家公園」(Yosemite National Park),相信沒有人會反對。因為它在世界上的地位,彷彿就是「大自然的大教堂」。
優勝美地國家公園(Yosemite National Park),是美國國家公園內極為閃耀的一顆明珠,地處加州東北部,內華達山脈的西麓,曾是印第安原住民阿瓦尼奇人(Ahwahneechee)的故鄉。公園的範圍橫跨加州中西部圖奧勒米縣(Tuolumne)、馬里波薩縣(Mariposa)和馬德拉縣(Madera)。優勝美地國家公園於於1984年被納入聯合國教科文組織(UNESCO)世界遺產,每年吸引4百萬來自世界各地的遊客前來觀光。
優勝美地國家公園內,有超過95%的土地被指定為原生地域(wilderness),為了要保護公園的原貌,美國總統林肯於1864年6月30日,將優勝美地谷蝴蝶林(Mariposa)內的美洲衫巨木林,設為美國的第一座州立公園。並且在「國家公園之父」約翰•繆爾(John Muir,1838~1914)這位作家、科學家、保育先知的倡議之下,於1890年成為第二座國家公園。它幾乎是全美甚至全球最受歡迎的國家公園。
公園內除了有四面絕壁的優勝美地山谷,還有充滿高山美景的圖奧勒米牧場,自然風光令人歎為觀止。而它的美和大遠遠超過一般人所暸解,公園的佔地面積超過1,169平方英哩/284,899 公頃,而其中最多遊客造訪的的優勝美地谷(Yosemite Valley),只佔了整個公園不到1%的面積。優勝美地國家公園主要有四大景區,呈F型分佈,分別是優勝美地谷(Yosemite Valley)、山頂的冰川點(Gracier Point)、北側的第奧嘉(Tioga Pass)以及南端的瓦沃納(Wawona)景區。這次的優勝美地之旅,只有北側的第奧嘉景區沒有造訪,那裡就留待下次不同季節再去造訪吧!

優勝美地山谷在上一次冰河時期被冰川覆蓋,山谷呈U字型,兩旁峭壁上到處可見由冰川切削過的痕跡,其中最有名的就是半圓頂(Half Dome),這顆巨岩是冰河時期所形成的,峰頂海拔2,693公尺,歷時8,700萬年,在地質與歷史上他就是個不折不扣的巨人。只要你在優勝美地國家公園內,走到比較高的地點,幾乎從任何地方,都可以看到它的身影,據說 North Face 品牌 logo 的…

Watch the Zuckerberg keynote from F8 conference

Watch the Zuckerberg keynote from F8 conference 2011



Watch live streaming video from f8conference at livestream.com

First big change - a new profile design. It's main new feature is called "Timeline". It's more "designed" - lets you share big photos, and lets you tell the whole story of your life on a single page. It has a wall for the recent stuff, but it also lets you have a big header photo, a timeline to show the *most important* stuff, including photos, and important events. The same profile style even works on mobile.

The profile is meant to "represent you" in the way you'd represent yourself when you first met someone. Instead of just providing the last few recent things you did and basic info, the profile is now more geared towards telling your whole lifestory. It is *radically* different than the current FB profile. You can view photos by time, you can view a "map" view to see where you've travelled / been, but there's even more timeline views.

Here's the new FB profile photo. You can change the top photo whenever you want. You can highlight any story and feature it on your timeline as a big event. In other words, you can pin certain objects as cool/interesting to remain prominent, while the mundane instances of your life (where you ate, check-ins, etc. can just stream away).

Here's a really nice, full look at the new Facebook profile, along with a video about it: https://www.facebook.com/about/timeline

The "Like" feature is being expanded to "Read," "Watch," "Listen," "Eat," -- in other words, the one-click option Like is being "opened up" so that developers can create actions. Sounds like Facebook will have some standard ones they've created (Read, Watch & Listen), but I think he's implying that app developers will be able to create their own words as well. And, as you can guess, this will work across the web as well. It won't just be on Facebook.

What if there's something you want to share but don't want to bug your friends? Facebook has worried that sharing activity was being minimized because people knew that it'd be sharing with all their friends, and possibly bugging them. That's the purpose of the "ticker" on the right (which you've already seen), to minimize less important things -- i.e. you won't have to think "this isn't such a big deal, I shouldn't share" -- instead, you can share anything and Facebook will only "feature" it to your friends when it becomes a top story.

About 10 or so music partners (Spotify, Rhapsody, etc.) have built music into Facebook. You'll see what your friends are listening to on the right ticker, and you can listen with them. Video companies like Hulu have done the same thing. You can watch a video on Netflix / Hulu and it'll show up in the right ticker and your friends can watch with you - i.e. see the same screen while you see it and you can (presumably) chat with each other while you watch. The whole idea is to ramp up "content discovery" and really rethink the music & video content industry. This is what the rumored "sharing explosion" has been about.

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