SAN DIEGO, CA- JUNE 22, 2017 - African penguins walk around the new Cape Fynbos habitat in the soon-to-open Conrad Prebys Africa Rocks exhibit at the San Diego Zoo. Africa Rocks opens on July 1st. (Photo by K.C. Alfred/The San Diego Union-Tribune)
9 Images

At the San Diego Zoo, Africa Rocks

SAN DIEGO, CA- JUNE 22, 2017 - African penguins walk around the new Cape Fynbos habitat in the soon-to-open Conrad Prebys Africa Rocks exhibit at the San Diego Zoo. Africa Rocks opens on July 1st. (Photo by K.C. Alfred/The San Diego Union-Tribune)

SAN DIEGO, CA- JUNE 22, 2017 - African penguins walk around the new Cape Fynbos habitat in the soon-to-open Conrad Prebys Africa Rocks exhibit at the San Diego Zoo. Africa Rocks opens on July 1st. (Photo by K.C. Alfred/The San Diego Union-Tribune) (K.C. Alfred / San Diego Union-Tribune)

SAN DIEGO, CA- JUNE 22, 2017 - African penguins walk around the new Cape Fynbos habitat in the soon-to-open Conrad Prebys Africa Rocks exhibit at the San Diego Zoo. Africa Rocks opens on July 1st. (Photo by K.C. Alfred/The San Diego Union-Tribune)

SAN DIEGO, CA- JUNE 22, 2017 - African penguins walk around the new Cape Fynbos habitat in the soon-to-open Conrad Prebys Africa Rocks exhibit at the San Diego Zoo. Africa Rocks opens on July 1st. (Photo by K.C. Alfred/The San Diego Union-Tribune) (K.C. Alfred / San Diego Union-Tribune)

SAN DIEGO, CA- JUNE 22, 2017 - Architect Steve Fobes stands under a 65-foot tall waterfall at the San Diego Zoo's Conrad Prebys Africa Rocks exhibit, which opens to the public on July 1st. (Photo by K.C. Alfred/The San Diego Union-Tribune)

SAN DIEGO, CA- JUNE 22, 2017 - Architect Steve Fobes stands under a 65-foot tall waterfall at the San Diego Zoo’s Conrad Prebys Africa Rocks exhibit, which opens to the public on July 1st. (Photo by K.C. Alfred/The San Diego Union-Tribune) (K.C. Alfred / San Diego Union-Tribune)

SAN DIEGO, CA- JUNE 22, 2017 - African penguins swim around the new Cape Fynbos habitat in the Conrad Prebys Africa Rocks exhibit at the San Diego Zoo. Africa Rocks opens to the public on July 1st. (Photo by K.C. Alfred/The San Diego Union-Tribune)

SAN DIEGO, CA- JUNE 22, 2017 - African penguins swim around the new Cape Fynbos habitat in the Conrad Prebys Africa Rocks exhibit at the San Diego Zoo. Africa Rocks opens to the public on July 1st. (Photo by K.C. Alfred/The San Diego Union-Tribune) (K.C. Alfred / San Diego Union-Tribune)

SAN DIEGO, CA- JUNE 22, 2017 - African penguins swim around the new Cape Fynbos habitat in the Conrad Prebys Africa Rocks exhibit at the San Diego Zoo. Africa Rocks opens to the public on July 1st. (Photo by K.C. Alfred/The San Diego Union-Tribune)

SAN DIEGO, CA- JUNE 22, 2017 - African penguins swim around the new Cape Fynbos habitat in the Conrad Prebys Africa Rocks exhibit at the San Diego Zoo. Africa Rocks opens to the public on July 1st. (Photo by K.C. Alfred/The San Diego Union-Tribune) (K.C. Alfred / San Diego Union-Tribune)

SAN DIEGO, CA- JUNE 22, 2017 - African penguins swim around the new Cape Fynbos habitat in the Conrad Prebys Africa Rocks exhibit at the San Diego Zoo. Africa Rocks opens to the public on July 1st. (Photo by K.C. Alfred/The San Diego Union-Tribune)

SAN DIEGO, CA- JUNE 22, 2017 - African penguins swim around the new Cape Fynbos habitat in the Conrad Prebys Africa Rocks exhibit at the San Diego Zoo. Africa Rocks opens to the public on July 1st. (Photo by K.C. Alfred/The San Diego Union-Tribune) (K.C. Alfred / San Diego Union-Tribune)

SAN DIEGO, CA- JUNE 22, 2017 - Workers install glass as a 65-foot tall waterfall cascades down the side of the San Diego Zoo's Conrad Prebys Africa Rocks exhibit, which opens to the public on July 1st. (Photo by K.C. Alfred/The San Diego Union-Tribune)

SAN DIEGO, CA- JUNE 22, 2017 - Workers install glass as a 65-foot tall waterfall cascades down the side of the San Diego Zoo’s Conrad Prebys Africa Rocks exhibit, which opens to the public on July 1st. (Photo by K.C. Alfred/The San Diego Union-Tribune) (K.C. Alfred / San Diego Union-Tribune)

Workers prepare concrete designs at the San Diego Zoo’s Conrad Prebys Africa Rocks area which is set to open on July 1st. The new exhibit spotlights the biodiversity found on the African continent. (Photo by K.C. Alfred/The San Diego Union-Tribune)

Workers prepare concrete designs at the San Diego Zoo’s Conrad Prebys Africa Rocks area which is set to open on July 1st. The new exhibit spotlights the biodiversity found on the African continent. (Photo by K.C. Alfred/The San Diego Union-Tribune) (K.C. Alfred / San Diego Union-Tribune)

Amanda Chapin arranges sea weed in an underwater exhibit at the San Diego Zoo’s Conrad Prebys Africa Rocks area which is set to open on July 1st. The new exhibit spotlights the biodiversity found on the African continent. (Photo by K.C. Alfred/The San Diego Union-Tribune)

Amanda Chapin arranges sea weed in an underwater exhibit at the San Diego Zoo’s Conrad Prebys Africa Rocks area which is set to open on July 1st. The new exhibit spotlights the biodiversity found on the African continent. (Photo by K.C. Alfred/The San Diego Union-Tribune) (K.C. Alfred / San Diego Union-Tribune)

1/9