What type of training international rowers do not like

Taken from Lake Bled, Slovenia at the Rowing World Cup I 2010 Featuring: Florian Berg - LM2x - AUT Justin Ryan - LM2x -- IRL Frida Svensson - W1x - SWE Ben Rowe - LM2x -- GBR Alan Campbell - M1x - GBR Aliaksandr Kazubouski - M4- - BLR Stefania Toscano - LTAMix4 - ITA Androdias Matthieu - M2x - FRA Paulo Quesado - M2x - POR Kenta Tadachi - LM2x - JPN