Помогите, пожалуйста вставить артикли a, the или ничего (желательно с объяснением) In ___1990s___archaeologists discovered__man who had frozen to death on___mountain between___Austria and___Italy.Hisbody was covered in___tattoos.___archaeologists later calculated that___man had lived 5000 years ago and it was probably___earliest known example of this kind of___art.

In the 1990
discovered a man
on the mountain
in a tattos 
the archaeologist later calculated that a man 
probably the earlest