The modern fresh and plump apples originated in a mountainous region of Kazakhstan, according to a study made by researcher at Boyce Thompson Institute in the US. The study reveals a surprising two-way journey on the Silk Road for one of the world’s most popular fruit. Hereafter there 7,500 varieties of apple present today. According to the researchers, as travellers journeyed east and west along the Silk Road, they brought with them apple seeds from the choicest fruit they took from wild trees.