Riddles in moviesVersión en línea Riddles por Leslie R. 1 “What’s round, but not always around? It’s light sometimes; it’s dark sometimes, Everyone wants to walk all over me. What am I?” Respuesta escrita 2 “Tear one off and scratch my head. What once was red is black instead. What am I?” Respuesta escrita 3 What weighs more: all the trains that pass through Grand Central Station in a day, or all the trees cut down in a year to print U.S. currency? Respuesta escrita Explicación 1 The moon. 2 A match. 3 They both weigh the same (since they both weigh nothing).