The key answer of exercise 2

a)

1. Raiders of the Lost Ark, Pirates of the Caribbean, The Treasure of the Sierra Madre, Three Kings
2. The man expected to die and wanted to leave something behind for the public to search for, so he hid the treasure chest.

b)

1. He was diagnosed with cancer in 1988. He wanted to leave something for the world after his death, so he did the treasure chest.
2. The poem contained clues to help readers find the treasure chest.
3. When he releases new clues (every few months), more people come to look for the treasure, so this increases tourism in the area.
4. He has received over 13,000 emails from people who want more clues, and 18 marriage proposals.
5. He was in the Air Force before he opened an art gallery.