Where have we gone?

http://www.youtube.com/watch?v=JId_kGKowfI&feature=related

http://www.youtube.com/watch?v=RDTJ_0Sv6-Y&feature=related

http://www.youtube.com/watch?v=H6uNFdiI-fM&feature=related

http://www.youtube.com/watch?v=NeQ70AuoJg8&feature=related