A Canadian helped build a water plant in Gaza. Now he worries about its fate as aid groups leave over new law

<img src='https://i.cbc.ca/ais/a07a7f7e-f0b2-4eaa-ae99-1b0c48a89f87,1772146133084/full/max/0/default.jpg?im=Crop%2Crect%3D%280%2C325%2C6240%2C3510%29%3BResize%3D%28620%29' alt='a man in a white vest ' width='620' height='349' title='Kenzie is among the last of MSF&apos;s foreign staff to leave Gaza before the March 1 deadline'/><p></p>