CONCEPTS: elephant, enclosure, mother

GEN: Mother and child elephants in a zoo enclosure.

CONCEPTS: disease, reveal, risk, study

GEN: study reveals that smokers remain unaware of the risks associated with disease

CONCEPTS: encounter, hike, waterfall

GEN: a sweat filled hour and a half hike through the jungle you encounter this meter high waterfall .

CONCEPTS: athlete, bronze, heptathlon

GEN:
professional athlete won bronze in the heptathlon