i know the answer is vertical system but why ... 4 to 5 sentence is enough to answer

Majid Al Futtaim recently inaugurated global retailer Carrefour's largest regional distribution centre at the National Industries Park (NIP) in Dubai. The facility is four times the size of Carrefour's current largest distribution centre. Miguel Povedano, the executive regional director for Carrefour UAE at Majid Al Futtaim Retail said the new distribution centre features advanced warehousing, storage and logistics technologies. The multi-temperature storage at the new distribution centre is designed to meet the storage needs of the different food types and dry foods as well as warehousing for non-food goods. With a total storage capacity of over 400 million units, it can support Carrefour's brick and mortar stores. Identify and explain the channel integration system implemented by Carrefour a global retailer as per the scenario presented above?