The toppings can be as simple as green olives and tomato, or as complex as this curious combination of heart of palm, tomato, and salsa golf. (fromscratchmostly.com)
This change in policy was not, of course, simply a change in heart of one man. (religion-online.org)
Artist's impression of a cosmic «ocean» of cold gas, discovered at heart of an embryonic cluster of galaxies, some 10 billion light years away. (ibtimes.com)