They use about 100 soroban wooden pallets (ソロバン) made of Japanese oak tree, a hard wood. Each weighs 20 kg.

File information
Filename:	ir065-20190503-2253.jpg
Album name:	philbert / Hitachi-Otsu Ofune Matsuri Boat Festival 常陸大津の御船祭
Keywords:	ibaraki / kitaibaraki / ofune / matsuri / boat / festival
Filesize:	35 KiB
Date added:	Jun 03, 2019
Dimensions:	600 x 400 pixels
Displayed:	35 times
IPTC Copyright:	PHOTOGUIDE.JP
URL:	https://photoguide.jp/pix/displayimage.php?pid=68916
Favorites:	Add to Favorites