Vortex's Celebration due to Filipe's visit to Brasilia. Filipe is my former undergraduate and master student. He is currently doing a Ph.D in University of Colorado - USA. Clockwise: Marcos Fabrício (MSc student - UnB), Filipe Evangelista (PhD student - University of Colorado), FRC, Igor Pereira (PhD student - UnB), Victor Shumy (MSc student - UnB), Leonardo Inácio (MSc student UnB) e Matheus Aguilar (PhD student - UnB).