Leisure travel

An police officer walks behind a caution tape at the Schinkelwache building in Dresden Monday, Nov. 25, 2019. Authorities in Germany say thieves have carried out a brazen heist at Dresden’s Green Vault, one of the world’s oldest museum containing priceless treasures from around the world. (Sebastian Kahnert/dpa via AP)

Parents of murdered British backpacker Grace Millane, Dave and Gillian react as they speak to the media outside the High Court, in Auckland, New Zealand, Friday, Nov. 22, 2019. A New Zealand jury found a man guilty of murder in the death of the 22-year-old British backpacker. (Jason Oxenham/New Zealand Herald via AP)

FILE - In this Dec. 12, 2018, file photo, a woman lights candles during a candlelight vigil for murdered British tourist Grace Millane at Cathedral Square in Christchurch, New Zealand. A New Zealand jury on Friday, Nov. 22, 2019, was deliberating whether a British backpacker was murdered by a man she met on a dating app or was accidentally choked to death during sex. (AP Photo/Mark Baker, File)

FILE - In this Dec. 12, 2018, file photo, a woman lights candles during a candlelight vigil for murdered British tourist Grace Millane at Cathedral Square in Christchurch, New Zealand. A New Zealand jury on Friday, Nov. 22, 2019, was deliberating whether a British backpacker was murdered by a man she met on a dating app or was accidentally choked to death during sex. (AP Photo/Mark Baker, File)

FILE - In this Oct. 5, 1994, file photo, two bison graze in a meadow in Yellowstone National Park, Wyo. New research shows when bison heavily graze an area, the grass greens up earlier and faster and stays green for a much longer period of time. Researchers with the park and area universities say the bison are able to graze in one area for two to three months rather than having to move to higher elevations to follow new plant growth. Sensors on NASA satellites are able to observe the grassland dynamics. (AP Photo/Dave Zalubowski, File)

FILE - This undated file photo provided by the U.S. Geological Survey shows a side view of a recently emerged adult female western glacier stonefly from below Grinnell Glacier in Glacier National Park, Mont. The continued existence of two species of insects is in doubt because climate change is melting away the glaciers and year-round snowfields they depend on, U.S. wildlife officials said Wednesday, Nov. 20, 2019. The western glacier stonefly and the meltwater lednian stonefly found in the northern Rocky Mountains will be protected as threatened species under the federal Endangered Species Act. U.S. Fish and Wildlife Service officials said. (Joe Giersch/U.S. Geological Survey via AP, File)

FILE - This undated file photo provided by the U.S. Geological Survey shows a side view of a recently emerged adult female western glacier stonefly from below Grinnell Glacier in Glacier National Park, Mont. The continued existence of two species of insects is in doubt because climate change is melting away the glaciers and year-round snowfields they depend on, U.S. wildlife officials said Wednesday, Nov. 20, 2019. The western glacier stonefly and the meltwater lednian stonefly found in the northern Rocky Mountains will be protected as threatened species under the federal Endangered Species Act. U.S. Fish and Wildlife Service officials said. (Joe Giersch/U.S. Geological Survey via AP, File)

In this picture taken on Tuesday, Nov. 12, 2019, visitors view the exhibition "The Technology in Dictatorships," at the National technical Museum in Prague, Czech Republic. The exhibition, the first of that kind here, marks the 30th anniversary of the 1989 anti-communist Velvet Revolution by looking back at the surreal repression of a nation and resistance against it. (AP Photo/Petr David Josek)

In this picture taken on Tuesday, Nov. 12, 2019, visitors view the exhibition "The Technology in Dictatorships," at the National technical Museum in Prague, Czech Republic. The exhibition, the first of that kind here, marks the 30th anniversary of the 1989 anti-communist Velvet Revolution by looking back at the surreal repression of a nation and resistance against it. (AP Photo/Petr David Josek)