Shanghai had a big change in the two weeks when we were gone.Three new metro lines (6, 8, 9) were opened, line 1 was extended, line 4 got finally circled and we missed all the grand openings.

• 才离开短短两个星期，上海巨变翻天覆地，三段两线开通了（6号线、8号线、9号线、1号线北北延伸段、4号线修复段），一环七射八换乘啊，令人振奋！