Sylle well on his way swimming butterfly across the English channel

At about 9:50am local time, Sylvain Estadieu started his attempt to swim across the English channel using only the butterfly stroke

And we're off. Start time approx 9:50. Time to fly to France! #GoSylle pic.twitter.com/XqCWaSsxWu

— Sylvain Estadieu (@SylvainSwims) September 22, 2013

He is now crossing the shipping lane, some 4 hours into the swim

Sylvain coming very close to a very big ship! #GoSylle pic.twitter.com/mxnWgiWJdC

— Sylvain Estadieu (@SylvainSwims) September 22, 2013

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