As the biggest fast-food chain in the world, McDonald’s is something everyone will have had at some point in their lives but as an American TikToker recently discovered, different countries do McDonald’s slightly differently. Kalani Smith, known online as Kalani Ghost Hunter, has recently been reviewing his food experiences on TikTok during his first-ever trip to the United Kingdom and one video, which has since gone viral with more than 1.5 million views, sees him trying UK McDonald’s first the first time. The biggest difference between UK and US McDonald’sKalani, who has more than 2.8 millio…