Donald Trump's wall is aimed at keeping Central American immigrants out of US.Washington: US President Donald Trump turned Thursday to "Game of Thrones" -- a hit TV show that features a massive ice wall -- to push for his controversial barrier on Mexican border."THE WALL IS COMING," Trump wrote in a post on Instagram that featured font from show's title and his picture with a border barrier at bottom."Winter is coming" is an iconic phrase from show that has been fodder for a slew of memes, which Trump previously referenced in a tweet about impending sanctions on Iran.HBO, which airs "Game of Thrones," was unamused by president's first nod to program, saying in a statement carried by US media that it "would prefer our trademark not be misappropriated for political purposes."Trump's wall -- a dispute over funding for which has led to a protracted shutdown of US government -- is aimed at keeping out Central American migrants fleeing poverty and rampant violence in their home countries.The wall in show -- which has played a central if silent role in its eight-season run -- ultimately fails when confronted by an undead dragon.(Except for headline, this story has not been edited by TheIndianSubcontinent staff and is published from a syndicated feed.)