Seventh Triennial 7th Triennial Sofia
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  /Press 'ePayNow', then the right-hand button - 'Pay with credit card'.../
  Participants from Europe - 20 EUR /39 bgn/ per item
  Participants from the rest of the world - 30 EUR /58 bgn/ per item
  Other people from Europe - 40 EUR /78 bgn/ per item
  Other people outside Europe - 50 EUR /97 bgn/ per item