“Hello World” that can seen from space!

Programmer Writes World’s Biggest Hello World – Google Earth Blog

An ambitious German programmer decided to write the world’s biggest “Hello, World!” result. Those of you who are programmers know that writing your first code in a programming language usually involves writing a program to print out the words “Hello, World!”. It’s been a tradition for several decades now. This guy decided to show the words in a crop field so it would be visible in aerial photos. Only, he decided to do it in the form of a Semacode (a visual code – or bar code – for containing information).