By Shannon Lane @Shannonroselane
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Measuring 700m2 and using over 200 litres of latex paint, the enormous artwork is on the wall of a warehouse building in Saldias.
It took 18 days for street artist Spear and Argentinian street artist Letitia Bonetti to complete.
The work depicts local recycling worker Ana Maria Sanchez and two-year-old girl Zoe Ludmila Maluzan, whose parents works in the neighbourhood.
Zoe is holding a toy aeroplane made from recycled materials, and the design also features a robin, a bird native to Belgium.
Spear, 29, from Brussels, specialises in painting portraits of common people and has created artwork in Brazil, Bolivia, Chile, Colombia, Costa Rica, Panama, Peru and Mexico, however this is the biggest to date.
He said: “Often we only see big faces or portraits to advertise and sell things.
“For me, the idea of painting portraits in the street is to show more humanity and share emotions and expressions with people who see them and to make the street a happier place.
"With this mural we wanted to concentrate on environmental issues but also integrate a mural inside the social tissue of the neighbourhood that’s why the people we painted are from here.”
Organised by BA Street Art and sponsored by paint companies Alba and Kuwait, the idea of the mural project is to raise awareness about the importance of recycling and the crucial role that women like Mrs Sanchez play in Buenos Aires to separate recyclable household waste such as cardboard, paper, plastic, glass and aluminium so that it can be sold on or reused to make different objects such as sculptures and toys.
International Day for Biological Diversity is on Monday 22 May 2017. Its purpose is to increase understanding and awareness of biodiversity issues.
Matt Fox-Tucker, founder of BA Street Art, who curated the mural and sponsored the artist, said: “Also being the International Day of Biodiversity, the idea of the mural was to have a social and environmental message about the importance of separating recyclable materials and also paying tribute to working mums like Ana Maria who help care for our planet and future generations.”