After Islamic Revolution in Iran, many iranians left Iran .now some of them returns to their motherland. 2. A German scientist investigated whether turtles which left Iranian beaches returns to their motherland after thirty years or not.
Overview：After Islamic Revolution in Iran, many iranians left Iran .now some of them returns to their motherland. 2. A German scientist investigated whether turtles which left Iranian beaches returns to their motherland after thirty years or not.
