DESPITE BUDWEISER SPONSORING THE ACTUAL EVENT. HERE IS MEAGAN FITZGERALD. >> Reporter: WITH PASSIONATE FANS AND PLAYERS AROUND THE WORLD DESCENDING ON QATAR, TONIGHT A SUDDEN REVERSAL FROM QATARY OFFICIALS ANNOUNCING BEER WILL BE BANNED INSIDE STADIUMS IN THE CONSERVATIVE MUSLIM COUNTRY DESPITE BUDWEISER'S $75 MILLION SPONSORSHIP. >> FOR ME BEER AND FOOTBALL GO HAND IN HAND. >> Reporter: A SHROUD OF CONTROVERSY HAS LONG LOOMED OVER THE TOURNAMENT WITH THE SMALL GULF NATION UNDER EXTREME SCRUTINY FOR ITS TRACK RECORD ON HUMAN RIGHTS. QATAR SPENT BILLIONS TO MODERNIZE AHEAD OF THE WORLD CUP, WORK OFTEN DONE IN BRUTAL CONDITIONS AND SWELTERING HEAT BY MIGRANT LANE ERRORS FROM NEPAL AND INDIA. THEY SAY THOUSANDS OF WORKERS HAVE DIED SINCE QATAR WAS NAMED AS HOST A DECADES AGO. >> THOSE WHO DIED, THOSE WHO WERE INJURED, THOSE WHO LOST THEIR WAGES TO CONSTRUCT AND BUILD, PREPARE QATAR. DELIVER ON THIS WORLD CUP. >> Reporter: QATAR'S GOVERNMENT HAS NOT RESPONDED TO NBC NEWS'S REQUEST FOR COMMENT.
