Άνοιγμα https://www.dw.com/el/%CE%B7-%CF%81%CF%8C%CE%B4%CE%BF%CF%82-%CE%BA%CE%AC%CE%BD%CE%B5%CE%B9-%CF%83%CF%84%CF%81%CE%BF%CF%86%CE%AE-%CF%80%CF%81%CE%BF%CF%82-%CF%84%CE%B7-%CE%B2%CE%B9%CF%89%CF%83%CE%B9%CE%BC%CF%8C%CF%84%CE%B7%CF%84%CE%B1/a-68755116