Wall Street Journalのインスタグラム(wsj) - 3月30日 07時22分

Baseball teams used to get any old dirt for infields and pitchers mounds, scooping soil from a nearby hillside or riverbed. Now, egged on by specialist soil suppliers—like DuraEdge Products of Slippery Rock, Pa.—teams apply nearly as much science to the dirt as they do to the pitching rotation. They demand just the right mixture of sand, clay and silt to provide a smooth, predictable surface—paying as much as $50,000 for infield dirt alone.
Read more at the link in our bio. ?: @justinmerriman for @wsjphotos & Andy Lewis/Icon Sportswire/Getty Images #openingday #baseball

[BIHAKUEN]UVシールド(UVShield)

>> 飲む日焼け止め！「UVシールド」を購入する