Boucquillon solvent distribution centre, Deerlijk, Belgium
01 June, 1990 
GP01AA9 
★★★★ (E) 
A highly appropriate and easily visible way to protest deletion of the  Earth's ozone layer was to erect a huge, blue, torn umbrella over  chlor-organic storage tanks at Deerlijk in Belgium.
01 June, 1990 
GP063G 
★★★★ (E) 
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