Huawei was among the front-runners in the dual-camera race with the P9 and then the Mate 10, so who better to take things to the next level? The Huawei P20 Pro one-ups all current major players and comes with three cameras on its back, each unique in its own right.
Source: https://www.gsmarena.com/huawei_p20_pro-review-1747.php