This is strati 's fourth attempt to enter the guinness world record .
这是斯特拉蒂第四次试图进入吉尼斯世界纪录。
Tirana ( reuters ) - albanian artist saimir strati has hammered tens of thousands of nails into a wooden board over the past 24 days to create a portrait of leonardo da vinci and the world 's biggest nail mosaic .