こちらの学会に参加中です。
+22
Coins
+5
First check-in at SwissTech Convention Center.
+5
Great photo!
+4
First check-in in Écublens.
+2
First of friends to check in at SwissTech Convention Center.
+2
First of friends to check into Écublens.
+2
1 check-in inside École Polytechnique Fédérale de Lausanne.
+2
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