Pulling up stakes a difficult decision for homeless camper in Edmonton's river valley

Frank Welsh is proud of his home.
It lies down a wooded path, over a fallen tree and past a discarded shopping cart in an Edmonton river valley park.  
“Sorry for the mess,” he said, pulling back a curtain, revealing a foyer beneath a faded orange tarp.
There’s enough room to stand, and there are two tents on either side for sleeping. He’s got a stove, room to store his bikes and trailers — which he repairs with parts he finds or buys around town — and en