Illustration via Unbias The News. Used with permission. This article was originally written by Shamsuddin Illius and published in Unbias The News as part of the “Sinking Cities” series. An edited version is republished in two parts by Global Voices as part of a content-sharing agreement. Here is the first part. With homes swallowed by floodwaters and river erosion, many migrants from all over Bangladesh have opted to move to the cities of Dhaka and Chittagong for ‘safer ground.’ But these options for ‘safer’ ground are also sinking. Every morning, Abdul Aziz wakes up before dawn in a 100-squar…