sentences:  In US) to deploy his technology in cities with contaminated urban air.After an initial test in 2017 in the city of León, in México, in June of 2019 his foundation installed in Mexicali, Baja California, -the worst contaminated city in Mexico- the first network of Urban Lungs in the world.That network is composed of 300 Residential Lungs -hosted by volunteers at their homes-, and 10 Solar Lungs, hosted by 10 of the most prestigious universities and colleges of the city.