How tongues on the day of Pentecost reversed the tower of Babel–Acts 2:5-11. 1 minute from Acts scholar Craig Keener.
For 23 free lectures on Acts, see http://faculty.gordon.edu/hu/bi/ted_hildebrandt/DigitalCourses/00_DigitalBiblicalStudiesCourses.html#Acts_Keener. This is free for everyone, but we designed the course with international viewers in mind who lacked geographic or financial access to seminary.