Male lions are easy to recognize thanks to their distinctive manes. Males with darker manes are more likely to attract female lions (lionesses).

The hump of a camel can weigh up to 35 kilograms.

The Romans used to clean themselves with olive oil since they did not have any soap. They would pour the oil on their bodies, and then use a strigil, which is type of blade, to scrape off any dirt along with the oil.

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