ExploringCaves—Suitupwithahelmetandlight,andtakeCaveCra...

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Exploring Caves — Suit up with a helmet and light, and take Cave Crawl（爬行）. Bring your own knee pads. Learn about equipment used by cavers and rules for safe cave exploration. Spend the morning viewing stalactites（鐘乳石）— rock formations that hang from the ceiling — and their opposites, stalagmites（石筍）.

Cave Alive — Take a look and learn about bats, salamanders, and other interesting creatures that grow up in caves. See crickets, crayfish, and even beetles. Learn why bears like to live in caves.

Fossils（化石）— Learn how remains of ancient plant and animal life became set in rocks, and discover how they provide clues about Earth’s history. Examine fossils in the cave.

Caves — Learn how changes in underground rock formation cause openings and caverns to develop. Find out how acidic water dissolves（溶解）limestone to create caves.

Manners — Learn how to preserve and protect beautiful, interesting, and educational caves. Learn why bats should not be disturbed when they are hibernating. Never go caving alone. Take nothing but pictures; leave nothing but footprints.

JOIN TODAY. RECEIVE THESE EARLY BIRD BENEFITS:

● A membership card.

● A membership certificate.

● A Caves and Caverns activity book.

● A newsletter with games, activities, and special offers.

THAT’S NOT ALL. MEMBERS ALSO RECEIVE:

● Free unlimited admission to Echo Cove Cave.[]

● One-week Echo Cove Youth Camp enrollment（註冊）at half price.

● Ten tickets for you and your friends to a private “off the beaten track” tour of the cave.

● Two free admission tickets to Echo Cove Cave for friends or family members.

● Admission to “Caves Around the World” lectures given by world famous cavers every month.

21. If you are interested in rock formations, which activities are the best choices?