1) The gate of the "Ciudadela", which was the entrance of Montevideo in colonial times.
2) An ultrasound transducer
3) The sun, present on the uruguayan flag
4) The "rambla", Montevideo's coastline
5) The Salvo Palace, an iconic building in the Montevideo city center
6) Uruguayan mate
7) A signal/ultrasonic pulse
8) The Centenario stadium, where the first soccer World Cup final was held in 1930
9) "MVD" stands for Montevideo
10) The "Cerro de Montevideo", present in the Uruguayan shield or coat of arms
11) A lighthouse
12) A "piano, chico, or repique" drum, typically used in Candombe, a music and dance style that originated in Uruguay among the descendants of liberated African slaves (inscribed by UNESCO on the Representative List of the Intangible Cultural Heritage of Humanity).
13) A soccer ball, the national sport.
14) Waves
15) UFFC
16) Waves