What's this use for?

L, " Wow, this is huge! So grand beautiful ! ”

J, " Oh, yes. What's this use for? "

L, " It looks as great as the pyramids  in Egypt. "

J, " But what's this? "

L," It's Chinese Gongfu practice field! "

J, "...."

L, " Look at these piles. When he practice Gongfu, he steps one of his foot to one pile, then get the power from pile, he may fly to sky. After he may steps another foot to another pile to get power to make him last flying in the sky. That's Gongfu called light Gongfu."

J, " I don't believe you, you are teasing Laowai(foreigners). "

L," Ah, you don't believe me? Don't you see many movies that some Chinese people can fly? ”

J&L,"....."