Photo taken on Feb. 28, 2018 shows a prototype 5G phone presented by ZTE, one of the leading Chinese telecommunications companies, during the 2018 Mobile World Congress (MWC) in Barcelona, Spain. The technology of 5G and the vast possibilities it presents for an increasingly connected world are being presented at the ongoing 2018 Mobile World Congress (MWC), which augurs 5G is coming closer or sooner than expected. (Xinhua/Guo Qiuda)