Babban jirgin saman dakon kaya samfurin Y-20 kirar kasar Sin, ya nuna bajimta sosai, a wajen bikin baje-kolin jiragen sama da tsaro na kasashen Afirka karo na 12, wato AAD a takaice, a birnin Pretoria dake kasar Afirka ta Kudu, wanda ya zama bikin baje-kolin jiragen sama mafi girma dake jawo hankali a nahiyar Afirka.