What is hidden in 3D image?

An Israeli doctor says: "Medicine in my country is so advanced that we can take a kidney out of one man, put it in another, and have him looking for work in 6 weeks." A British doctor says: "That is nothing; we can take a lung out of one person, put it in another, and have him looking for work in 4 weeks." A Canadian doctor says: "In my country, medicine is so advanced that we can take half a heart out of one person, put it in another, and have them both looking for work in 2 weeks." A Nigerian doctor, not to be outdone, says: "You guys are way behind...... We just took a man with NO brain, made him President, and now the whole country is looking for work.