After the attack on the largest oil refinery in the Saudi Kingdom, Saudi Arabia has taken a U-turn to work with the US. America has been pointing towards Iran but Saudi Arab is still investigating the case. Meanwhile, the Crown Prince Mohammed bin Salman has visited South Korea and has signed 15 productive contracts of $8.3bn in the areas of information and communications technology, smart infrastructure, defence, health and medicine etc with South Korea. Let's find out why Saudi Arabia has chosen South Korea and not the US?