Sherlock Series 4 Filming, Day 1

Production on series 4 of Sherlock (specifically the special) officially began today in Bristol.

Element-hairy, my dear Watson! #Sherlock pic.twitter.com/LmUiHK2Nlr
— Mark Gatiss (@Markgatiss) January 6, 2015

#setlock summary: Sherlock has a new hairstyle, he was wearing a bowtie and John has a moustache again.
— Christmas Turtle (@PaganGirl221) January 6, 2015

Primera fotos del set de Sherlock! #setlock pic.twitter.com/QrLFk2G2oo
— Zatanna (@Mymayfly) January 6, 2015

What is going ON?! #setlock His hair, the bowtie & John's moustache...! pic.twitter.com/PNFt6ZUA7Y
— BOFA killed me (@2sassy4myLove) January 6, 2015

"@Anythingbatch: More #setlock pics #spoliers #sherlock pic.twitter.com/pdBCd8cnIT" A ESTO ME REFIERO
— Liz (@ohmyjawnlock) January 6, 2015

Benedict is wearing a bow tieeeee #setlock pic.twitter.com/5VBPm7LU8L
— Bilbo❄ (@ItsOnlyJustine) January 6, 2015

#setlock SETLOCK SETLOCK OMG WHAT IF WE'RE ALL FREAKING OUT BUT IT'S JUST A FANCY DRESS PARTY??? pic.twitter.com/ZnvF8VLfoA
— don't talk anderson~ (@deductingdoctor) January 6, 2015

A collage of #Setlock today! The best day of my life, I will never forget it. #Sherlock #BenedictCumberbatch pic.twitter.com/ilW3rYGPBP
— Olivia Dlugiewicz (@OliviaPablo12) January 6, 2015

MARITO MIO BUONASERA! #setlock pic.twitter.com/rgo6XdiM7F
— He likes boys. (@GocceDiNuvole) January 6, 2015

New Moffat photo: He came out w/out the customary umbrella waved and then left and didn't come back 😳 #setlock pic.twitter.com/v6ttfARoIW
— MycroftsGoldfish (@Katheri10341604) January 6, 2015

#Setlock photo no. 20 - All of our lovely extras in their Victorian clothing. They were pretty chatty; props to them pic.twitter.com/Fwnq51CbbH
— Holly (@FearsomeHippo74) January 6, 2015

A few more pics from #Setlock of Sue Vertue and Mark there! Enjoy!#BenedictCumberbatch #ShSpesh #Sherlock pic.twitter.com/2uj5ZKLVzB
— Olivia Dlugiewicz (@OliviaPablo12) January 6, 2015