Win prizes, including a US$1,500 gift certificate for a plane ticket

Here is an impossible task. Visit 16 indigenous villages around Taiwan where Chunghwa Telecom has placed post boxes painted by indigenous artist Lavuras.matilin, and win prizes, including a US$1,500 gift certificate for a plane ticket abroad.

Find the details in the PDF you can download from this site: http://www.post.gov.tw/post/internet/U_english/index.jsp?ID=2498&news_no=30458&control_type=page&news_cat=16&news_type=latest_news