<prompt> tafsiri zifuatazo kutoka kwa swahili hadi kiingereza.lakini maandalizi ya michezo ya olimpiki ya majira ya baridi yaliyofanyika februari nchini korea kusini yalitoa dirisha la kidiplomasia na wiki chache baada ya michezo hiyo kumekuwa na ziara kadhaa za korea kaskazini kutoka china, korea kusini na sasa marekani.  <response>: but south koreas hosting of the winter olympics in february gave an unexpected window for diplomacy and in the weeks since there have been a flurry of visits to the north from china, south korea and now the us. 