The site of RCAF No. 1 Technical Training School, Sunset Drive, (Highway 4) south of St. Thomas, Ontario, Canada.   This complex of buildings was opened in 1939 by the Government of Ontario.   It was a residential psychiatric hospital.    At the beginning of the Second World War the Government of Ontario turned the complex over to the Department of National Defence.
<a href="//commons.wikimedia.org/wiki/User:SteveTheAirman" title="User:SteveTheAirman">J. S. (Steve) Bond</a>
CC BY-SA 4.0
<span class="int-own-work" lang="en">Own work</span>