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SANTA CRUZ, BOLIVIA - JULY 08: Nuns walk past a shuttered building on a street near the area where Pope Francis will hold Mass on July 8, 2015 in Santa Cruz, Bolivia. Pope Francis will arrive in Santa Cruz July 8 and hold his open-air Mass there July 9 during his three-country swing through Ecuador, Bolivia and Paraguay. (Photo by Mario Tama/Getty Images)
SANTA CRUZ, BOLIVIA - JULY 08: Nuns walk past a shuttered building on a street near the area where Pope Francis will hold Mass on July 8, 2015 in Santa Cruz, Bolivia. Pope Francis will arrive in Santa Cruz July 8 and hold his open-air Mass there July 9 during his three-country swing through Ecuador, Bolivia and Paraguay. (Photo by Mario Tama/Getty Images)

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    Altitude sickness an issue for Pope Francis in Bolivia

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Altitude sickness an issue for Pope Francis in Bolivia

Concerns over altitude sickness in Bolivia may force the Pope to turn to a local remedy. CNN's Shasta Darlington reports.

Altitude sickness an issue for Pope Francis in Bolivia

Concerns over altitude sickness in Bolivia may force the Pope to turn to a local remedy. CNN's Shasta Darlington reports.