'3 Body Problem': What do the aliens actually look like?

Netflix's 3 Body Problem is a show that leaves us with a lot of questions at the end of its first season. How different are Liu Cixin's books, upon which the show's based? What does the joke that Dr Ye Wenjie (Rosalind Chao) tells Saul Durand (Jovan Adepo) really mean?But one of the biggest question marks has to be over the San-Ti themselves — the alien race making their slow and steady way to Earth in order to find a (gulp) new home. Although we hear them speaking in the show (via a human