How big the Earth ???

[tv20b68]

http://img512.imageshack.us/img512/9378/wearesmall11ls8.jpg



http://img512.imageshack.us/img512/3647/wearesmall2xi0.jpg



http://img512.imageshack.us/img512/2357/wearesmall3ho9.jpg



http://img512.imageshack.us/img512/4259/wearesmall4nb9.jpg


http://img512.imageshack.us/img512/249/wearesmall5bk1.jpg

Bể học là vô tận ---> quay đầu là bờ :)):)):))