Different angle - different lighting. Hussein books scant. different distances from camera makes bookshelves look closer together in one angle, other shots show better idea of h/w/depth of shelving. Key: football.
biden virtual townhall April 8, 2020
Biden/HRC endorses See football on shelf? April 28, 2020
obama speaks - June 3, 2020 See football on shelf?
Compare what's on shelves between hussein videos - different shelf arrangement)
Thanks
It’s a studio setup.
Bunker studio means they are all together in the same building together.