If one thinks pollution is bad these days, well back in the 1950s the Green Island Cement Company sited in Hung Hom polluted the atmosphere with daily emissions of smoke. It was however, a 'good' indicator of wind direction and a visual landmark for pilots to sight Kai Tak Airport from the air prior to the construction of the reclaimed runway.
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Peak and Pollution
If one thinks pollution is bad these days, well back in the 1950s the Green Island Cement Company sited in Hung Hom polluted the atmosphere with daily emissions of smoke. It was however, a 'good' indicator of wind direction and a visual landmark for pilots to sight Kai Tak Airport from the air prior to the construction of the reclaimed runway.