Research commissioned by the Welsh government says the charge is "widely supported" with people changing their habits as a result.

BBC: Plastic bags: Welsh government urges charges for rest of UK

One final work, Rothermel's "Charge of Pennsylvania Reserves in Plum Run, " was commissioned by the adjutant general's office in 1881.

WSJ: Capturing Gettysburg | Objects of Valor | State Museum of Pennsylvania | By Mark Yost

These commissioned pieces (10 so far) are also presented in community centers, often free of charge: "The Bricklayer" was done at the Arab-American Cultural Center and the outdoor Nowruz (Persian new year) festival last weekend.

WSJ: The Bricklayer | Houston Grand Opera | A Glimpse Behind the Wall | Opera Review by Heidi Waleson