<Li> Pierre de Coubertin medal </Li> <Li> Scandals and controversies </Li> <Tr> <Th> Games </Th> </Tr> <Tr> <Td> <Ul> <Li> Summer </Li> <Li> Winter </Li> </Ul> <Ul> <Li> Summer Paralympic </Li> <Li> Winter Paralympic </Li> </Ul> <Ul> <Li> Youth </Li> <Li> Deaflympics </Li> <Li> Special </Li> </Ul> <Ul> <Li> African </Li> <Li> American </Li> <Li> Asian </Li> <Li> European </Li> <Li> Pacific </Li> </Ul> <Ul> <Li> Ancient </Li> <Li> Intercalated </Li> </Ul> </Td> </Tr>

What is the significance of the 5 olympic rings