The Gibraltar Barbary macaques are considered by many to be the top tourist attraction in Gibraltar. The most popular troop is that of Queen's Gate at the Apes' Den, where people can get especially close to the monkeys.
Dry food items, especially foods that can be poured into specific portions, are often measured in grams. A gram is a measurement of weight or mass within the metric system and can be used to measure anything from cars to water.
One gram is equal to 0.0353 ounces. A gram of sugar is approximately 1/4 teaspoon of sugar. A regular paper clip weighs about 1 gram. The gram and kilogram are units of mass in the metric system of measurement. The metric system was invented in France in 1799. It was improved in 1960 and named the System of International Units, or SI.