Assertion: city's city limit | /r/CapableOf | serve as switzer canyon
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text: Due to the steep topography that prevents or discourages building, along with some efforts for preservation, there are also a large number of canyons within the city limits that serve as nature preserves, including Switzer Canyon, Tecolote Canyon Natural Park, and Marian Bear Memorial Park in San Clemente Canyon, as well as a number of small parks and preserves.