Grandparents' Day is a secular holiday celebrated in various countries. Here's HQ blissful illustrations for National Grandparents Day.
A leprechaun is a type of fairy of the Aos Sí in Irish folklore. They are usually depicted as little bearded men, wearing a coat and hat, who partake in mischief. They are solitary creatures who spend their time making and mending shoes and have a hidden pot of gold at the end of the rainbow.
Skyscraper Day is a day to appreciate and admire the world's tallest skyscrapers.