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MEDELLIN, COLOMBIA - MAY 12: Colombia’s Medellin city aims to reach the Guinness Book of Records following an ecological path with new green spaces and vertical gardens surrounding huge public buildings. The city is being transformed in an ecological way with new green spaces to beautify the city and face pollution by generating oxygen, recently. Currently, there are 767 square meters of vertical gardens but the goal is to reach 1,800 square meters. Thanks to the large hanging garden that has more than 36,816 plants and that is in the process of being expanded in the Government and City Hall building, butterflies have returned to the area and bird sightings have been made that were previously in danger of extinction. “This green wall, like all the green corridors that we have in Medellin, has a reason for being, it has a strategic planning and it is also thought for the passage of the biological corridor that the fauna must have,” one of the citizens of the city Natalia Urrego Arias told Anadolu Agency. Besides being a garden that makes a thermal regulation of the building in a natural way. Within the variety of plants are the liriope, fern, vinca and Bergenia, they are installing solar panels on the terrace that allow the generation of more than 20% of the energy consumed daily in this public building. The ecological connectivity sought by the mayor's office has been achieved through green walls, parks, green corridors, thus turning city spaces into small lungs. “Trees and green corridors, we must conserve the existing ones and first we must make them grow. Not to grow so much with concrete but to beautify with nature,” said another citizen Luis Fernando Arboleda Granda. (Footage by Tatiana Nino/Anadolu Agency via Getty Images)