【東線!】今日は中央線東線の延伸開業日! https://osaka-metro-pm.com/2020/07/29/%e3%80%90%e6%9d%b1%e7%b7%9a%ef%bc%81%e3%80%91%e4%bb%8a%e6%97%a5%e3%81%af%e4%b8%ad%e5%a4%ae%e7%b7%9a%e6%9d%b1%e7%b7%9a%e3%81%ae%e5%bb%b6%e4%bc%b8%e9%96%8b%e6%a5%ad%e6%97%a5%ef%bc%81/