The remains of Grenfell tower should be converted into a high-rise memorial garden to honour the 72 people who lost their lives in the devastating fire four years ago today, two of the survivors have said.

Marcio Gomes and his wife Andreia Perestrelo, whose son Logan was stillborn because of the toxic smoke, lived on the 21st floor of the 24-storey tower. They want the shell to be restored to its 220ft height and planted with 72 species of plants.

They were inspired by the work of Stefano Boeri, the Italian architect whose forested blocks of flats in Milan and Albania have been published all over the world. Boeri has reportedly said the idea is viable.

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