Mother Earth has an agent of change! SECH is a detective who solves mysteries of all kinds. Due to COVID pandemic wanderlust has gripped him, and now he is suffering and frequently likes to vanish on some journey in different countries, discovering their cultural heritage and the environmental issues of the world around them. Students aged between 5-11 are invited to join him and learn about cultural heritage and sustainability. SECH hopes that the impact of solving mysteries will be result in a growing awareness and appreciation for cultural heritage of partner countries, and in a meaningful sense of responsibility regarding the protection and preservation of the environment. Mother Earth has spread in the world a map of amazing countries, with wonderful places and enchanting traditions. It has a message that people seem to ignore. SECH is here to take us through different adventures. Let’s help him to find the clues in each section of the map and reveal the secret.