ART & DESIGNPhotos: Sotheby’s Gets Hot, Hot, HotA Latin American art sale heats up. Here, some highlights.by Kat Herriman05.26.151Lucio Fontana Concetto Spaziale signed lower right; also signed, titled and inscLucio Fontana, Concetto Spaziale. Executed in 1965. Est. $400/600,000.Photo courtesy of Sotheby’s.2Lygia Clark, Relógio de sol (sundial). Executed circa 1963. Est. $700/900,000.Photo courtesy of Sotheby’s.3Claudio Bravo, White Package. Painted in 1969. Est. $400/600,000.Photo courtesy of Sotheby’s.4Rodolfo Nieto, La Engorda. Painted in 1976. Est. $100,000 /150,000.Photo courtesy of Sotheby’s.5Property from the Collection of Lorenzo H. Zambrano. Dr. Atl (Gerardo Murillo). Autorretrato (Self-Portrait). Painted in 1958. Est. $150,000/ 250,000.Photo courtesy of Sotheby’s.