Page 86 - Activity 3Versión en línea Choose if the words belong in the artificial world or the natural world. Vocabulary: wildlife, valley, air conditioning, historic buildings, ruins, pollution, street lights, modern architecture, open spaces, facilities, health centres, seasons, bugs por Mariana Aguirre Consuegra 1 Artificial world 2 Natural world air conditioning historic buildings health centres street lights pollution modern architecture facilities ruins wildlife bugs valley seasons open spaces