Global days and months are occasions to educate the public on issues of issue, to mobilize political will and means to deal with global difficulties, also to celebrate and reinforce achievements of humanity."Thuy?t h?u Columbus" cho r?ng b?nh giang mai là m?t b?nh c?a Tân Th? gi?i ???c mang v? b?i Cristoforo Colombo và Martin Alonso Pinzon. H? t