His parents encouraged him to climb up over it -- so he did .
Zak Surma remembers walking along a boardwalk in California when he was 7 or 8 and coming to a wall .
Zak Surma 's parents encouraged him to climb up over it -- so he did .
Zak Surma remembers walking along a boardwalk in California when he was 7 or 8 and coming to a wall .