Yes the man from China will need a visa to visit the U.K.
you need the schengen visa
no
This visa is not necessary.
yes but it has to be an American visa.
there is no visa for moroccans who want visit south korea
yes
Yes
yes
Yes.
Yes
Does an italian citizens need a visit visa to dubai or can get it on the place upon arrival
No. The passport is all you need.