How sperms moves towards egg for fertilization?

Here are some...: Within 15-30 minutes after insemination with ejaculating semen to deposit inside the deep part of vagina - next to cervix, the coagulated semen liquefies with the natural "magic" power to guide and attract the motile sperms to swim upstream through cervical canal, uterine cavity, then into Fallopian tube where one of the sperms will luckily penetrate the wall of a timely waiting egg to fertilize..