means of transportation, Buses, trams, and the metro are the most popular __________________ in many European cities., vary, The weather in the mountains can __________________ a lot, so always check the forecast before leaving., adaptable day hikes, If you're looking for easy trails that can be changed depending on the weather, try __________________., the mailbag, At the end of today's podcast, we'll open __________________ and answer questions from our listeners., the steepest ascents, Only experienced climbers should attempt __________________ because they require excellent fitness., the go-to experts for, If you need advice about backpacking or mountain safety, Sarah and Ben are __________________ hiking., cogwheel railways, In Switzerland, many tourists use __________________ to reach high mountain viewpoints without hiking for hours., gear, Before setting off, make sure your hiking __________________ includes enough water, a map, and a first-aid kit., a loop hike, We chose __________________, so we finished the walk at the same place where we started., remote huts, After a long day of trekking, we spent the night in one of the __________________ deep in the mountains.

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