National Day demonstration to feature a giant yellow fluorescent plus sign in BarcelonaYour browser does not support the video element<p><strong>Positive</strong> is the way its organisers describe the demonstration planned for this year’s <strong>September 11 celebration on Catalonia’s national day</strong>. As every year since up to two million people turned out on the streets of Barcelona in 2012 to demand the right to self-determination, a mass protest has been organised for what is locally known as La Diada. This year with the protestors forming a giant plus sign, while wearing fluorescent yellow t-shirts printed with the word ‘yes’ in more than a dozen world languages.</p> / ACNshareACNFirst published: July 20, 2017 09:36 PM