The author felt a little scared during the flight because he was traveling

for the first time

/

without his parents

.

The

cute sea lions

/

melting chocolate

delayed the visit to the Golden Gate Bridge.

Yosemite National Park is about

five times bigger than Seoul

/

four times bigger than San Francisco

.

The author thought the

smell of the snacks

/

sound of people bike riding

attracted the bear.

Dan persuaded the author to try

painting the Tunnel View

/

riding a special bike

.