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Find the most up-to-date design of transparent images, signs and symbols
World Population Day is an annual global observance held on July 11th, established by the United Nations to raise awareness about issues related to population and promote reproductive health and rights.
A snowflake is a single ice crystal that has achieved a sufficient size, and may have amalgamated with others, then falls through the Earth's atmosphere as snow.
School buses offer numerous benefits to students, parents, schools, and communities alike.
World Soil Day is observed annually on December 5th to highlight the importance of healthy soil ecosystems.