Signs of MH17 tragedy at Amsterdam 's Schiphol Airport , where ill-fated plane took off . Friends and complete strangers among those leaving floral tributes at terminal building . Comment: On Thursday , Suzan De Wit was chatting to many of those fliers . U.S. believes plane was likely shot down by surface-to-air missile .
Signs of MH17 tragedy at Amsterdam 's Schiphol Airport , where ill-fated plane took off . Friends and complete strangers among those leaving floral tributes at terminal building . Comment: U.S. believes plane was likely shot down by surface-to-air missile .