<Tr> <Td> 5th </Td> <Td> </Td> <Td> Cheongju, South Korea </Td> <Td> June 27--29 </Td> <Td> Bendik Rugaas (Norway) </Td> <Td> 42 </Td> <Td> 21 </Td> <Td> </Td> </Tr> <Tr> <Td> 6th </Td> <Td> 2003 </Td> <Td> Gdańsk, Poland </Td> <Td> August 28--30 </Td> <Td> Ekaterina U. Genieva (Russian Federation) </Td> <Td> 41 </Td> <Td> 23 </Td> <Td> </Td> </Tr> <Tr> <Td> 7th </Td> <Td> 2005 </Td> <Td> Lijiang, China </Td> <Td> June 13--18 </Td> <Td> Deanna B. Marcum (USA) </Td> <Td> 53 </Td> <Td> 29 </Td> <Td> </Td> </Tr> <Tr> <Td> 8th </Td> <Td> 2007 </Td> <Td> Pretoria, South Africa </Td> <Td> June 11--15 </Td> <Td> Alissandra Cummins (Barbados) </Td> <Td> 53 </Td> <Td> 38 </Td> <Td> </Td> </Tr>

Who stated ice is the memory of the world