Spice spices. Spices were among the most demanded and expensive products available in Europe in the Middle Ages, the most common being black pepper, cinnamon (and the cheaper alternative cassia), cumin, nutmeg, ginger and cloves. Given medieval medicine's main theory of humorism, spices and herbs were indispensable to balance "humors" in food, a daily basis for good health at a time of recurrent pandemics. In addition to being desired by those using medieval medicine, the European elite also craved spices in the Middle Ages. An example of the European aristocracy's demand for spice comes from the King of Aragon, who invested
SPICE Arena to the public in 2016. In 2017, the SPICE Convention & Exhibition Centre, which has an internal capacity of , was launched. Aside from these facilities, SPICE Canopy, the retail component of the project, was also completed in 2015. A four-star hotel situated adjacent to these facilities is currently under construction. The hotel is scheduled for completion by 2019. The SPICE Arena, with an internal space of , can accommodate 10,000 guests in a terrace-style seating arrangement, or 180 exhibition booths. The arena's capacity is further boosted by the Concourse at Level 3, which can sit a further 250 booths.