reporter: marek trela has received messages of support from around the world. right now he can do nothing. >> it was especially painful saying goodbye to the horses. they were all born during my tenure. reporter: would he go back? >> i think i will have to go back, to clean up the mess. reporter: he may well be right. two more horses have died under the new director, triggering a public investigation. the uproar over poland's stud farms continue. michelle: the first group of migrants who entered greece illegally have now been returned to turkey. in return, the eu will take in thousands of syrian refugees directly from turkey. switzerland has relatively few syrian refugees because of their very strict asylum laws, but they now hope to absorb more. for those who make it there, they not only have the challenge of learning a new language but of adopting the swiss way of life. but switzerland hopes to ease their transition by offering integration courses -- including one on how to run a household -- swiss style. >> how does this get cleaned? reporter: a housekeeping