Roberto Rafael Rivera Duron, a Mexican PhD scholar at the Unmanned System Research Institute of Northwest Polytechnical University (NPU), has sent a letter of thanks to the university for its donation of med...

焦急的等待后，远在墨西哥的Roberto终于在5月27日，收到了邮寄自中国、远渡重洋而来的防疫物资！他立即行动，将这批防护物资送去当地医院，分发给了急需它们的医护工作人员。