There are a number of things you can’t do in Trafalgar Square at night. And there are a number of police officers who will kindly inform you that you are doing one or more of those things. Do not climb on the Aslans. Do not get in the fountains. Do not unfurl an IRA banner. But you can take pictures with the cops.

By the time our fourth night in Shanghai rolled around, we figured we had earned the right to do something at least a little touristy, so we hopped on the No. 2 Metro line and six stops later we had crossed over (or under, as it were) the Huangpu River to arrive in Pudong, Shanghai’s financial district and home to such recognizable buildings as the Oriental Pearl Television Tower.