PHOTO GALLERY: Overwhelmed with the £850m Adidas training center that Arsenal are preparing for new season

ARSENAL have begun their pre-season training at the state-of-the-art Adidas facility in Germany.

The ‘Arena’ was opened by the sportswear company almost three years ago in Herzogenaurach, and it has now opened its doors to the Gunners.

Mikel Arteta and Martin Odegaard posed alongside the head of Adidas Germany Bjorn Gulden

The ‘Arena’ appears to float in mid-air

The Adidas campus has a swimming pool

There is also a tennis court

There is a football pitch for Arsenal to train on

The £850million complex contains a football pitch and a top-of-the-range gym that offers CrossFit and yoga courses.

There are also tennis and basketball courts on site, as well as a running track and bouldering climbing walls.

In addition to a swimming pool and a beach volleyball court, Arsenal players will have access to them so they may relax after practices.

5,600 people work on the site, and the ‘Arena’ has a futuristic design that makes it look like it is floating in the air.

Its construction cost was over £350 million, and its three storeys are made up of “retreat-like rooms” and open areas.

The company restaurant can serve up to 2,000 meals each day, and there are meeting rooms designed to resemble sports fields, one of which has synthetic turf.

Arsenal have made use of the facilities ahead of their match against Nurnberg on Thursday.

Mikel Arteta and Martin Odegaard were spotted playing a game of keepy-uppy alongside a member of the coaching team, and the Gunners boss showed he has not lost his touch.

The centre boasts a beach volleyball court

The Gunners will be able to use a state-of-the-art gym

The site cost £850million to construct

The Adidas HQ is home to 5,600 employees

Bouldering is another activity available on campus

Arsenal’s trip to Nurenberg will be their second match of pre-season following a 1-1 draw with Watford at London Colney.

Arteta included a mix of youth and experience in his team with Marquinhos getting on the scoresheet.