The adventure begins!

The rules are very simple:

• Have a mobile device with a data connection ready so you can view the locations of each planet.

• There will be a riddle at each planet. Have something ready to write down your answers.

• The answer to each riddle will be a number from 0 to 9.

• At each planet, you will find a new QR code with the location of the next one.

• After completing all 8 riddles, you will need to guess the 8-digit code; if you get it right, you will be entered into a prize draw for local gifts.

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If you want to start the adventure, head to the Astronomy Park and look for the QR code hidden in the Plaça dels Arbres.