Today, we are celebrating the return of the twilight, meaning that the sun, at midday, is now at less than 6 degrees below the horizon. When the sky is clear, we don't need anymore our cap lamps! Yesterday, when we reached the nice lead found 4 days ago (see photo 91), we discovered a huge polynia, a large area of open water, the packice had disappeared (see photo 92, taken from the same position than 91)! Then we followed the edge of this unexpected lake, preceded by a polar bear which we finally saw not for ahead of us, the first one this year. But he let us use peacefully our CTD instrument, in a sea water more salty and colder than usual...