Juelich-Challenges-Hackathon.md

@@ -71,7 +71,7 @@ The Juelich Challenges is a JULAIN initiative for 2 years now. It is recognized
 
 We are happy to welcome 50 participants from 17 different institutes.
 
-<img src="https://gitlab.version.fz-juelich.de/MLDL_FZJ/MLDL_FZJ_Wiki/raw/master/files/21-03-16-JuelichChallenges_Hackathon/map_participants.png" width="700">   
+<img src="https://gitlab.version.fz-juelich.de/MLDL_FZJ/MLDL_FZJ_Wiki/raw/master/files/21-03-16-JuelichChallenges_Hackathon/map_participants.png" width="800">