The Kunsthaus Hamburg and its director, Katja Schroeder, pulled off a coup in presenting “Reptiles,” the first institutional solo show in Europe by the Indian artist Goutam Ghosh. The generously spaced hanging of the exhibition, designed together with the artist’s help, gave his paintings (and a 16-mm film, PAARA, 2017, made in collaboration with artist Jason Havneraas) ample room to unfold their subtle visual idiom. The works were mounted unusually low on the walls; the artist wanted to keep them deliberately close to the ground and to emphasize horizontals rather than verticals. “I found it