1. Survey if vacant places are still vacant

    Closed
    #173497468 0 2 0 0

  2. Specify features of bicycle repair stations

    Closed
    #173497214 0 0 1 0

  3. Specify what can be recycled in recycling containers

    Closed
    #173496851 0 3 0 0

  4. Determine whether road construction is now completed

    Closed
    #173489236 0 1 0 0