World Cup training camps, Day 10: Chara chats about chemistry, Vatanen multi-tasks

From Columbus to Montreal to Quebec City to Ottawa to Helsinki to Gothenburg to Washington, D.C. to Pittsburgh, here's a look behind the scenes as the world's best hockey players prepare for the World Cup of Hockey, which begins Saturday in Toronto.

On Wednesday, Zdeno Chara chats about chemistry, Sweden's Erik Karlsson scouts Team Europe and Sami Vatanen multi-tasks.

With tweets from Scott Burnside with Team USA; Craig Custance with Team North America; Pierre LeBrun with Team Canada; and Joe McDonald with Team Sweden and Team Finland.