taz5 print

Hi guys did another 5 hour print base came out great but the end height did not bond this is the image, using pla temp 210 bed 70 changed settings and i put the file through another slicer a little better but did not bond, the flow of the pla is
smooth and even bed is level and i changed the thickness of the layers the infill not bonding what can i do,
thanlks

Can you upload a better picture when you get a chance? that ones not in focus enough to see what is going on really.