California: Inside Facebook's new Menlo Park HQ: Instagram users photograph Frank Gehry building

Facebook employees have moved into a huge new building in Menlo Park, California, with about 430,000 square feet of interior space. It features a rooftop garden that has been likened to Manhattan's High Line park. Around 2,800 employees will work on the new campus.

The building was deigned by Frank Gehry, the architect best known for undulating titanium-clad masterpieces like the Guggenheim Museum in Bilbao.

Mark Zuckerberg said: "Our goal was to create the perfect engineering space for our teams to work together. To do this, we designed the largest open floor plan in the world – a single room that fits thousands of people. On the roof is a nine-acre park with walking trails and many outdoor spaces to sit and work."

The social media giant hasn't released any official interior photos yet, but it invited Instagram users to come and poke around the new campus. See the hashtag #MPK20firstlook for more.

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Mark #Zuckerberg: â€œToday we moved into our new #Facebook building in #Menlo Park, #California. Our goal was to create the perfect engineering space for our teams to #work together. To do this, we designed the largest open floor plan in the #world â€” a single room that fits thousands of #people. On the roof is a 9-acre #park with walking trails and many #outdoor spaces to sit and work.â€ @Zuck #MPK20 #MPK20FirstLook
A post shared by NDTV (@ndtv) on Mar 31, 2015 at 10:53am PDT

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New @vsco preset pack day is always exciting. Here's a shot I took of @coryiander at #MPK20FIRSTLOOK. Edited using Q1 from #TheAlchemyCollection by VSCO.
A post shared by @d.leong iPhone Photos (@movedto_d.leong) on Apr 7, 2015 at 7:16pm PDT

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Exploring the 9-acre green garden/park on the roof of the new @Facebook building with some of the @Instagram team today #MPK20 #MPK20FirstLook #larkfilterforever #fromtheFBroof #facebooklife
A post shared by John Barnett (@johnbarnett) on Mar 31, 2015 at 3:28pm PDT

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Some of Frank Gehry's signature metal panelling at the new @facebook HQ! However for this building he used his style in a much more linear and geometric way versus his other "folded paper" look. Mark Zuckerberg wanted something that still felt unfinished and a work in progress. The sun setting was reflecting all kinds of colors the night before the buildings opening! #MPK20 #MPK20firstlook #strideby
A post shared by Elizabeth Gilmore (@elizabethgilmore) on Mar 31, 2015 at 7:29am PDT

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The corridor leading to the 9-acre rooftop park space at #MPK20. #MPK20firstlook
A post shared by @d.leong iPhone Photos (@movedto_d.leong) on Mar 31, 2015 at 8:32am PDT

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New art from the @FBairprogram in @Facebook's new Building 20 #MPK20 #MPK20FirstLook #soloparking #facebooklife
A post shared by John Barnett (@johnbarnett) on Mar 31, 2015 at 8:49am PDT

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So much light in @Facebook's new Building #MPK20 #MPK20FirstLook #EmptyFacebook #FrankGehry
A post shared by John Barnett (@johnbarnett) on Apr 1, 2015 at 8:26am PDT

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spent my evening exploring the new @facebook building, #mpk20. simple and stunning through and through. more photos to come. #mpk20firstlook
A post shared by david hoang (@dshoang) on Mar 31, 2015 at 10:25pm PDT

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No doubt that I didn't see all of the photogenic nooks in @facebook's new 430,000 sqft(!) MPK building, but of the ones I saw, this is where I'd want my desk to be. Of course that would be inconvenient, since I'd be sitting in the middle of a hallway. "Who's that dude?" "I don't know, but he refuses to move." "Weird." #MPK20firstlook
A post shared by Seth Restaino (@doublecap) on Mar 30, 2015 at 9:28am PDT

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Yesterday, some other Instagrammers and I had the opportunity to visit @facebook HQ and take a first look at their new building: #MPK20. It's a huge, open floor plan space designed by Frank Gehry. It looks like a fun place to work, and it opens today! Fun fact: FB worked with 15 artists on the new artwork in the building. Every piece was created onsite and is meant to speak abstractly to what FB doesâ€”many of the pieces are a nod to connections, community, networks and systems. This particular hallway makes me want an orange dessert. More photos to come. #MPK20firstlook
A post shared by @d.leong iPhone Photos (@movedto_d.leong) on Mar 30, 2015 at 9:00am PDT

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ðŸŽ¨âœ¨ðŸ‘‘Sweet colorful princess in her castle. @elizabethgilmore blows me away CONSTANTLY with her eye for color and composition. She's also such a fun person to hang around. Liz is only one example of the awesome people I've met through Instagram. I'm continuously inspired by all the creative awesome people I've met through this community, and y'all keep me going. Y'all are so awesome. #MPK20firstlook #communityfirst
A post shared by Cory Maryottâš¡ï¸ (@coryiander) on Mar 30, 2015 at 3:25pm PDT

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Was super stoked to get a sneak peek first look at the new building on the @facebook campus yesterday, along with a couple of my favorite Instagrammers. The spaces are colorful and airy to say the least. Most of all the spaces themselves seem to encourage coloring outside the lines and challenging convention. Art installations from local artists decorate many of the spaces of this new building, designed by Frank Gehry, and much of the space has an industrial feel, featuring exposed support beams and plywood surfaces. Check out the rest of the photos at #MPK20firstlook I'll be posting more throughout the day. âœŒï¸
A post shared by Cory Maryottâš¡ï¸ (@coryiander) on Mar 30, 2015 at 9:37am PDT

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"Full Circle" @fbairprogram #MPK20FirstLook #MPK20 #lonelimbs #makehandtraits
A post shared by Eza Chung (@ezachung) on Apr 3, 2015 at 6:45pm PDT

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Sunsets are gonna be epic on the 9-acre green roof at the @facebook office. A quick candid snap of the crew on Evan Shivleys tree stump art installation!! #MPK20 #MPK20firstlook
A post shared by Elizabeth Gilmore (@elizabethgilmore) on Mar 30, 2015 at 2:28pm PDT

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