Chelsea and Atletico Madrid train inside Wanda Metropolitano ahead of Champions League clash - in pictures

Premier League champions face a stern test against the 2014 and '16 finalists on Wednesday night.

Atletico Madrid players take part in training ahead of the Uefa Champions League match against Chelsea. Pierre-Philippe Marcou / AFP

Atletico Madrid midfielder Koke takes part in training. Pierre-Philippe Marcou / AFP

Antoine Griezmann, right, and Atletico Madrid teammate Diego Godin take part in training. Gonzalo Arroyo Moreno / Getty Images

Atletico Madrid players take part in training ahead of the Uefa Champions League match against Chelsea. Gonzalo Arroyo Moreno / Getty Images

Atletico Madrid players take part in training ahead of the Uefa Champions League match against Chelsea. Pierre-Philippe Marcou / AFP

Chelsea's players take part in a training session at the Wanda Metropolitano stadium. Javier Soriano / AFP

Cesar Azpilicueta, left, and Gary Cahill during a training session. Gonzalo Arroyo Moreno / Getty Images

Chelsea striker Alvaro Morata durting a training session. Gonzalo Arroyo Moreno / Getty Images

A general view of the Wanda Metropolitano stadium as Chelsea players take part in a training session. Gonzalo Arroyo Moreno / Getty Images

Chelsea defender David Luiz, right, and Alvaro Morata take part in training. Javier Soriano / AFP

In one of the most highly-anticipated matches of this Uefa Champions League week, Premier League champions Chelsea take on Primera Liga side Atletico Madrid on Wednesday evening.

After a 6-0 stroll against Azerbaijan's Qarabag last time out, Chelsea face a far sterner test against Atletico - the 2014 and 2016 finalists. A win for Chelsea will put them five points clear of Atletico, who drew their opening match away to Roma.

Ahead of the contest, both sides took to the pitch inside the Wanda Metropolitano stadium to run through their paces.

Click through the gallery above to check out the photos from both the Atletico and Chelsea training sessions.

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