Ahh... The coolest one. Well try and guess what is this. Please guess for atleast 30 seconds, cuz after knowing the answer you'll never be able to see it as ur percieving it now.

Well according to you these are wierd line. But if u see carefully this is the shadow of the letter "E".

Hahahahaha. Now whatever you do, you wont be able to see them as wierd lines. ;). Isnt it cool.