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unhas got to be much more expensive because of the strength of the dollar over the course of the last few years. that will have an impact on travel inbound to the united states as well. we've got to take a few more weeks maybe before we have much clarity about whether politics is, in fact, impacting travel or whether it's other economic factors. >> that strong dollar, which makes it nice and expensive for people like me to go stateside. how are you hedging that? how are you leveling out that anticipated impact? are you looking elsewhere instead? >> well, of course we're trying to grow all around the world. we're opening about 115 countries today. typically currency can hurt our u.s. reported earnings, obviously, because we report everything in dollars. but when you look at travel trends, while the u.s. may be more expensive for you coming from england, london is cheaper for americans coming there for their holidays or to do business. those things tend to offset each other. obviously that's one of the advantages of being a global player, you get to be on both end of that trade. >> i lo

the zoo's other two rhinos left unha unharmed.hocked and distressed by this unimaginable killing. >> shocked entering into the park armed and killing animals. that's the first time. >> reporter: unheard of. >> absolutely unheard of. >> reporter: now zoos across europe on alert after what authorities say is an unprecedented poaching from a european zoo. poaching is driven by demand for rhino horns in some parts of asia where it's falsely thought to have medicinal purposes including curing cancer and acting as an aphrodisiac. in reality they're made of keratin, the same tear as human finkel nails and hair yet a pound of rhino horn can fetch tens of thousands of dollars on the black market making it worth more than gold. the white rhinoceros once a as near threatened in part because of the trafficking. in 2016 alone more than a thousand rhinos were poached for their horns. last year our t.j. holmes went on patrol with park rangers at the oldest game reserve in africa. >> what's a bigger threat to your rangers, is it the animals or th