Laguna (province) producing of fish. Carp and tilapia fingerlings are also being grown in inland ponds and freshwater fish pens. There are a total of 457 operators utilizing an area of for fish pens and fish cages. Aside from the Laguna de Bay, approximately 12% of the area in the Seven Lakes of San Pablo is being used for aquaculture. Laguna is home to twenty-one economic zones as registered under the Philippine Economic Zone Authority. Most of these economic zones are located in Santa Rosa, Biñan, and Calamba. The largest economic zone in Laguna is the Laguna Technopark, located in Santa Rosa
Laguna de los Cerros Laguna de los Cerros Laguna de los Cerros is a little-excavated Olmec and Classical era archaeological site, located in the vicinity of Corral Nuevo, within the municipality of Acayucan, in the Mexican state of Veracruz, in the southern foothills of the Tuxtla Mountains, some south of the Laguna Catemaco. With Tres Zapotes, San Lorenzo Tenochtitlán, and La Venta, Laguna de los Cerros is considered one of the four major Olmec centers. Laguna de los Cerros ("lake of the hills") was so named because of the nearly 100 mounds dotting the landscape. The basic architectural pattern consists of long parallel mounds