The fruit shape colora and leaves remind me of POMEGRANATE ...
It is * Punica granatum...*
Punica granatum tree may indeed have * spines* on branches...
Since its in a park, May be you can keep an eye on it and photograph
the flowers...
usha di
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> ZZ Unknown 009 Tree - Fruit.jpg
> 100KViewDownload
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> ZZ Unknown 009 Tree - Leaf.jpg
> 148KViewDownload
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> ZZ Unknown 009 Tree - Spine.jpg
> 173KViewDownload