The first socket is used to charge the lithium-ion battery and the second can be used to connect electrical devices such as coolers or camping lights.

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Fitness trainers and aerobics instructors organize and direct leisure and athletic activities, such as aerobics, arts and crafts, the performing arts, camping and sports.

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They also call during weekends or ask for prescription refills using excuses such as having dropped the pills in toilets or getting pills wet on a camping trip, physicians said.

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Some camping options will be purely functional one-night layovers, such as at gas station truck stops or car parks.

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During hundreds of camping trips and meetings and service projects and weird and wonderful events such as the Klondike Derby (a cold-weather competition in which scouts drag makeshift sleds over frozen ground for hours), I learned how to adapt to changing circumstances on the fly while keeping the main goals in sight.

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Increasingly, families are looking for more memorable ways to spend their holiday time, with activities that they can share and enjoy together, such as travelling on a felucca down the Nile, getting up close to incredible wildlife on safari or camping out under the desert stars.

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